Accounting Policies [Abstract]
Basis of Presentation and Preparation
Presentation and Preparation of Consolidated Financial Statements [Policy Text Block]
Presentation and Preparation of Consolidated Financial Statements [Policy Text Block]
Recently Adopted Accounting Standards and Recent Accounting Standards Not Yet Effective
New Accounting Pronouncements, Policy [Policy Text Block]
Earnings Per Share [Abstract]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Award Type [Axis]
Award Type [Axis]
Award Type [Domain]
Equity Award [Domain]
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units (RSUs) [Member]
Stock Options [Member]
Employee Stock Option [Member]
ESPP [Member]
Employee Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Stock Compensation Plan [Member]
Stock Compensation Plan [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
NET INCOME PER SHARE
Earnings Per Share [Text Block]
Retirement Benefits [Abstract]
Matching contribution on employee contributions, Percent
Defined Contribution Plan, Employer Matching Contribution, Percent of Match
Maximum contribution percentage of each employee's eligible earnings, Percent
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
Matching contributions to the RRSP and 401(k) Plans
Defined Contribution Plan, Employer Matching Contribution, Amount
Defined Contribution Plan, Employer Matching Contribution, Amount
Goodwill and Intangible Assets Disclosure [Abstract]
GOODWILL AND OTHER INTANGIBLE ASSETS - Net
Goodwill and Intangible Assets Disclosure [Text Block]
Leases [Abstract]
2019
Operating Leases, Future Minimum Payments Due, Next Twelve Months
2020
Operating Leases, Future Minimum Payments, Due in Two Years
2021
Operating Leases, Future Minimum Payments, Due in Three Years
2022
Operating Leases, Future Minimum Payments, Due in Four Years
2023
Operating Leases, Future Minimum Payments, Due in Five Years
Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Total
Operating Leases, Future Minimum Payments Due
Other Comprehensive Income (Loss), Net of Tax [Abstract]
ACCUMULATED OTHER COMPREHENSIVE LOSS
Comprehensive Income (Loss) Note [Text Block]
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Balance, beginning (shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Granted (shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Forfeited (shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Vested (shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Balance, ending (shares)
Weighted-Average Grant Date Fair Value per Share
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Balance, beginning (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Forfeited (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Vested (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Balance, ending (in dollars per share)
Compensation cost not yet recognized
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Compensation cost not yet recognized period of recognition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Shares withheld for taxes
Shares Paid for Tax Withholding for Share Based Compensation
Tax withholding upon vesting of restricted stock awards
Payments Related to Tax Withholding for Share-based Compensation
Revenue from Contract with Customer [Abstract]
Disaggregation of Revenue
Disaggregation of Revenue [Table Text Block]
Goodwill
Goodwill
Goodwill impairment
Goodwill, Impairment Loss
Amortization expense
Amortization of Intangible Assets
Business Combinations [Abstract]
BUSINESS COMBINATION
Business Combination Disclosure [Text Block]
LEASES
Lessee, Operating Leases [Text Block]
Operating lease expense
Operating Lease, Cost
Variable lease expense
Variable Lease, Cost
Short-term lease expense
Short-term Lease, Cost
Total lease expense
Lease, Cost
Financial Instruments and Fair Value [Abstract]
Financial Instruments and Fair Value [Abstract]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Recurring Basis [Member]
Fair Value, Measurements, Recurring [Member]
Measurement Basis [Axis]
Measurement Basis [Axis]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Portion at Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member]
Fair Value [Member]
Estimate of Fair Value Measurement [Member]
Reported as [Member]
Reported Value Measurement [Member]
Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Domain]
Major Types of Debt and Equity Securities [Domain]
Corporate debt securities [Member]
Corporate Debt Securities [Member]
Commercial paper [Member]
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Certificates of deposit and term deposits [Member]
Certificates of Deposit and Term Deposits [Member]
Certificates of Deposit and Term Deposits [Member]
U.S. government and agency securities [Member]
US Treasury and Government [Member]
Money market funds [Member]
Money Market Funds, Excluding Commercial Paper [Member]
Money Market Funds, Excluding Commercial Paper [Member]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Cash equivalents [Member]
Cash Equivalents, Line Item [Member]
Cash Equivalents, Line Item [Member]
Short-term investments [Member]
Short Term Investments, Line Item [Member]
Short Term Investments, Line Item [Member]
Long-term investments [Member]
Long Term Investments, Line Item [Member]
Long Term Investments, Line Item [Member]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value
Available-for-sale Securities, Debt Securities
Total Assets, Fair Value Disclosure
Assets, Fair Value Disclosure
FINANCIAL INSTRUMENTS AND FAIR VALUE
Financial Instruments Disclosure [Text Block]
Schedule of Finite-Lived Intangible Assets by Major Class [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Developed Technologies [Member]
Developed Technology Rights [Member]
Customer Relationships [Member]
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Assets, Net [Abstract]
Gross
Finite-Lived Intangible Assets, Gross
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Total
Finite-Lived Intangible Assets, Net
Components of Lease Expense and Supplemental Cash Flow Information
Lease, Cost [Table Text Block]
Supplemental Balance Sheet Information
Assets And Liabilities, Lessee [Table Text Block]
Assets And Liabilities, Lessee [Table Text Block]
Maturities of Operating Lease Liabilities
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Schedule of Future Principal Contractual Obligations for Operating Lease Commitments
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Investments, All Other Investments [Abstract]
Investments in equity securities of privately-held companies
Equity Securities without Readily Determinable Fair Value, Amount
Equity Securities without Readily Determinable Fair Value, Amount
Statement of Financial Position [Abstract]
Statement [Table]
Statement [Table]
Statement, Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Statement [Line Items]
Statement [Line Items]
Common Stock, par value (dollars per share)
Common Stock, Par or Stated Value Per Share
Common Stock, shares authorized
Common Stock, Shares Authorized
Common Stock, shares issued
Common Stock, Shares, Issued
Common Stock, shares outstanding
Common Stock, Shares, Outstanding
Statement of Comprehensive Income [Abstract]
Net income
Net Income (Loss) Attributable to Parent
Other comprehensive income (loss):
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract]
Change in unrealized gains (losses) on investments
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax
Tax provision related to change in unrealized gains (losses) on investments
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Income Statement [Abstract]
Products and Services [Axis]
Products and Services [Axis]
Products and Services [Domain]
Products and Services [Domain]
Product [Member]
Product [Member]
Service [Member]
Service [Member]
Service [Member]
REVENUE:
Revenue, Net [Abstract]
Total revenue
Revenue from Contract with Customer, Excluding Assessed Tax
COST OF REVENUE:
Cost of Goods and Services Sold [Abstract]
Total cost of revenue
Cost of Goods and Services Sold
GROSS PROFIT:
Gross Profit [Abstract]
Total gross profit
Gross Profit
OPERATING EXPENSES:
Operating Expenses [Abstract]
Research and development
Research and Development Expense
Sales and marketing
Selling and Marketing Expense
General and administrative
General and Administrative Expense
Total operating expenses
Operating Expenses
OPERATING INCOME
Operating Income (Loss)
INTEREST INCOME
Investment Income, Net
OTHER EXPENSE—NET
Other Nonoperating Income (Expense)
INCOME BEFORE INCOME TAXES
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
PROVISION FOR (BENEFIT FROM) INCOME TAXES
Income Tax Expense (Benefit)
NET INCOME
Net income per share (Note 9):
Basic (in dollars per share)
Earnings Per Share, Basic
Diluted (in dollars per share)
Earnings Per Share, Diluted
Weighted-average shares outstanding:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
2019 (the remainder of 2019)
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year
2020
Lessee, Operating Lease, Liability, Payments, Due Year Two
2021
Lessee, Operating Lease, Liability, Payments, Due Year Three
2022
Lessee, Operating Lease, Liability, Payments, Due Year Four
2023
Lessee, Operating Lease, Liability, Payments, Due Year Five
Thereafter
Lessee, Operating Lease, Liability, Payments, Due after Year Five
Total lease payments
Lessee, Operating Lease, Liability, Payments, Due
Less imputed interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Total
Operating Lease, Liability
Schedule of Earnings Per Share [Table]
Schedule of Earnings Per Share [Table]
Earnings Per Share [Line Items]
Earnings Per Share [Line Items]
Earnings Per Share [Line Items]
Basic shares:
Weighted Average Number of Shares Outstanding, Basic [Abstract]
Weighted-average common shares outstanding-basic (in shares)
Diluted shares:
Effect of potentially dilutive securities:
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Employee stock options and purchase rights (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Weighted-average shares used to compute diluted net income per share (in shares)
Diluted (in dollars per share)
Commitments and Contingencies Disclosure [Abstract]
Contractual Obligation, Fiscal Year Maturity Schedule
Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]
Statement of Cash Flows [Abstract]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Stock-based compensation
Share-based Compensation
Amortization of deferred contract costs
Capitalized Contract Cost, Amortization
Depreciation and amortization
Depreciation, Depletion and Amortization
Amortization of investment premiums, net of accretion of purchase discounts
Accretion (Amortization) of Discounts and Premiums, Investments
Other
Other Noncash Income (Expense)
Changes in operating assets and liabilities:
Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract]
Accounts receivable—net
Increase (Decrease) in Accounts Receivable
Inventory
Increase (Decrease) in Inventories
Prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense and Other Assets
Deferred contract costs
Increase (Decrease) in Deferred Charges
Deferred tax assets
Increase (Decrease) in Deferred Income Taxes
Other assets
Increase (Decrease) in Other Operating Assets
Accounts payable
Increase (Decrease) in Accounts Payable
Accrued liabilities
Increase (Decrease) in Accrued Liabilities
Accrued payroll and compensation
Increase (Decrease) in Employee Related Liabilities
Other liabilities
Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities
Deferred revenue
Increase (Decrease) In Contract With Customer, Liability
Increase (Decrease) In Contract With Customer, Liability
Income taxes payable
Increase (Decrease) in Income Taxes Payable
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
CASH FLOWS FROM INVESTING ACTIVITIES:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchases of investments
Payments to Acquire Investments
Sales of investments
Proceeds from Sale of Available-for-sale Securities, Debt
Maturities of investments
Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities
Purchases of property and equipment
Payments to Acquire Property, Plant, and Equipment
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
CASH FLOWS FROM FINANCING ACTIVITIES:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repurchase and retirement of common stock
Payments for Repurchase of Common Stock
Proceeds from issuance of common stock
Proceeds from Issuance of Common Stock
Taxes paid related to net share settlement of equity awards
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
NET INCREASE IN CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents, Period Increase (Decrease)
CASH AND CASH EQUIVALENTS—Beginning of period
Cash and Cash Equivalents, at Carrying Value
CASH AND CASH EQUIVALENTS—End of period
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Supplemental Cash Flow Information [Abstract]
Operating lease liabilities arising from obtaining right-of-use assets
Lease Liability Arising from Obtaining Right-of-Use Asset
Lease Liability Arising from Obtaining Right-of-Use Asset
Cash paid to settle liability incurred for repurchase of common stock
Repurchase of Common Stock, Settlement of Liabilities Incurred
Repurchase of Common Stock, Settlement of Liabilities Incurred
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Transfers of evaluation units from inventory to property and equipment
Transfers of Evaluation Units from Inventory to Property and Equipment
Transfers of Evaluation Units from Inventory to Property and Equipment
Liability for purchase of property and equipment and asset retirement obligations
Capital Expenditures Incurred but Not yet Paid
Income Tax Disclosure [Abstract]
INCOME TAXES
Income Tax Disclosure [Text Block]
Property, Plant and Equipment [Abstract]
PROPERTY AND EQUIPMENT—Net
Property, Plant and Equipment Disclosure [Text Block]
Summary of Investments
Schedule of Amortized Costs, Unrealized Gains and Losses, and Fair Value of Available For Sale Securities [Table Text Block]
Schedule of Amortized Costs, Unrealized Gains and Losses, and Fair Value of Available For Sale Securities [Table Text Block]
Schedule of Unrealized Loss on Investments
Schedule of Unrealized Loss on Investments [Table Text Block]
Investments Classified by Contractual Maturity Date
Investments Classified by Contractual Maturity Date [Table Text Block]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Schedule of Available-for-sale Securities [Table]
Schedule of Available-for-sale Securities [Table]
Schedule of Available-for-sale Securities [Line Items]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost
Available-for-sale Debt Securities, Amortized Cost Basis
Unrealized Gains
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax
Unrealized Losses
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
Less Than 12 Months, Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
12 Months or Greater, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
12 Months or Greater, Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Total, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Total, Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract]
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Due within one year
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value
Due within one to three years
Available-for-sale Securities, Debt Maturities, after One Year, Fair Value
This item represents the fair value of debt securities which are expected to mature after one year from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities.
Fair Value
Lessee, Lease, Description [Table]
Lessee, Lease, Description [Table]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Lease, Description [Line Items]
Remaining terms (less than for minimum)
Operating Lease, Remaining Lease Term
Operating Lease, Remaining Lease Term
Renewal terms (up to)
Lessee, Operating Lease, Renewal Term
Rent expense
Operating Leases, Rent Expense, Net
Additional minimum lease payments relating to operating office space lease signed but not yet commenced
Operating Lease, Lease Not yet Commenced, Expense
Operating Lease, Lease Not yet Commenced, Expense
Lease not yet commenced, approximate term
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract
Inventory purchase commitments:
Purchase Obligation, Fiscal Year Maturity [Abstract]
Inventory purchase commitments, 2019
Purchase Obligation, Future Minimum Payments, Remainder of Fiscal Year
Inventory purchase commitments, 2020
Purchase Obligation, Due in Second Year
Inventory purchase commitments, 2021
Purchase Obligation, Due in Third Year
Inventory purchase commitments, 2022
Purchase Obligation, Due in Fourth Year
Inventory purchase commitments, 2023
Purchase Obligation, Due in Fifth Year
Inventory purchase commitments, Thereafter
Purchase Obligation, Due after Fifth Year
Inventory purchase commitments
Purchase Obligation
Cash paid for amounts included in the measurement of lease liabilities
Cash Flow, Lessee [Abstract]
Cash Flow, Lessee [Abstract]
Operating cash flows used for operating leases
Operating Lease, Payments
Lease liabilities arising from obtaining right-of-use assets
Lease Liabilities Arising from Obtaining Right-of-Use Assets [Abstract]
Lease Liabilities Arising from Obtaining Right-of-Use Assets [Abstract]
Operating leases
Inventory Disclosure [Abstract]
Inventory
Schedule of Inventory, Current [Table Text Block]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Significant Accounting Policies [Text Block]
Schedule of Share-based Compensation, Restricted Stock Units Award Activity
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Schedule of Share-based Compensation, Shares Withheld for Taxes
Schedule of Share-based Compensation, Shares Withheld for Taxes [Table Text Block]
Schedule of Share-based Compensation, Shares Withheld for Taxes [Table Text Block]
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions And Allocation of Recognized Period Costs [Table Text Block]
Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.
Schedule of Share-based Compensation, Stock Options, Activity
Share-based Compensation, Stock Options, Activity [Table Text Block]
Schedule of Share-based Compensation, Stock Options, Activity, Additional Information
Schedule of Share-based Compensation, Stock Options, Activity, Additional Information [Table Text Block]
Schedule of Share-based Compensation, Stock Options, Activity, Additional Information
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
Schedule of Employee Service Share based Compensation Allocation of Recognized Period Costs by Award Type
Schedule of Employee Service Share based Compensation Allocation of Recognized Period Costs by Award Type [Table Text Block]
Schedule of Employee Service Share based Compensation Allocation of Recognized Period Costs by Award Type [Table Text Block]
Income Tax Benefit from Stock Option Plans
Income Tax Benefit from Stock Option Plans [Table Text Block]
Income Tax Benefit from Stock Option Plans [Table Text Block]
Fiscal Years:
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2019
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year
2020
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2021
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2022
Finite-Lived Intangible Assets, Amortization Expense, Year Four
Inventory, Net [Abstract]
Raw materials
Inventory, Raw Materials, Net of Reserves
Finished goods
Inventory, Finished Goods, Net of Reserves
Inventory
Inventory, Net
Property, Plant and Equipment - Net
Property, Plant and Equipment [Table Text Block]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Cost of product revenue [Member]
Cost of Goods Sold [Member]
Cost of Goods Sold [Member]
Cost of service revenue [Member]
Cost of Services [Member]
Cost of Services [Member]
Research and development [Member]
Research and Development Expense [Member]
Sales and marketing [Member]
Selling and Marketing Expense [Member]
General and administrative [Member]
General and Administrative Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense
Allocated Share-based Compensation Expense
Income tax benefit from employee stock option plans
Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options
Schedule of Earnings Per Share, Basic and Diluted
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Inventory purchase commitments
Other contractual commitments and open purchase orders
Other Commitment
ASSETS
Assets [Abstract]
CURRENT ASSETS:
Assets, Current [Abstract]
Cash and cash equivalents
Short-term investments
Short-term Investments
Accounts receivable—Net
Accounts Receivable, Net, Current
Inventory
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Total current assets
Assets, Current
LONG-TERM INVESTMENTS
Long-term Investments
PROPERTY AND EQUIPMENT—NET
Property, Plant and Equipment, Net
Deferred contract costs
Capitalized Contract Cost, Net
DEFERRED TAX ASSETS
Deferred Income Tax Assets, Net
GOODWILL
OTHER INTANGIBLE ASSETS—NET
Intangible Assets, Net (Excluding Goodwill)
OTHER ASSETS
Other Assets, Noncurrent
TOTAL ASSETS
Assets
LIABILITIES AND STOCKHOLDERS’ EQUITY
Liabilities and Equity [Abstract]
CURRENT LIABILITIES:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued liabilities
Accrued Liabilities, Current
Accrued payroll and compensation
Employee-related Liabilities, Current
Income taxes payable
Accrued Income Taxes, Current
Deferred revenue
Contract with Customer, Liability, Current
Total current liabilities
Liabilities, Current
DEFERRED REVENUE
Contract with Customer, Liability, Noncurrent
INCOME TAX LIABILITIES
Accrued Income Taxes, Noncurrent
OTHER LIABILITIES
Other Liabilities, Noncurrent
Total liabilities
Liabilities
COMMITMENTS AND CONTINGENCIES (Note 11)
Commitments and Contingencies
STOCKHOLDERS’ EQUITY:
Stockholders' Equity Attributable to Parent [Abstract]
Common stock, $0.001 par value—300 shares authorized; 170.7 and 169.8 shares issued and outstanding at March 31, 2019 and December 31, 2018, respectively
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital, Common Stock
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Total stockholders’ equity
Stockholders' Equity Attributable to Parent
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY
Liabilities and Equity
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Operating lease ROU assets - non-current
Operating Lease, Right-of-Use Asset
Operating lease liabilities - current
Operating Lease, Liability, Current
Operating lease liabilities - non-current
Operating Lease, Liability, Noncurrent
Total operating lease liabilities
Weighted average remaining lease term in years - operating leases
Operating Lease, Weighted Average Remaining Lease Term
Weighted average discount rate - operating leases
Operating Lease, Weighted Average Discount Rate, Percent
INVENTORY
Inventory Disclosure [Text Block]
Share Repurchase Program [Axis]
Share Repurchase Program [Axis]
Share Repurchase Program [Domain]
Share Repurchase Program [Domain]
2016 Share Repurchase Program [Member]
Share Repurchase Program [Member]
Share Repurchase Program [Member]
Share Repurchase Program [Line Items]
Stock repurchase program, authorized amount
Stock Repurchase Program, Authorized Amount
Stock repurchased in the period, shares
Stock Repurchased and Retired During Period, Shares
Stock repurchased, average price (in dollars per share)
Treasury Stock Acquired, Average Cost Per Share
Stock repurchased in the period, value
Stock Repurchased and Retired During Period, Value
Stock repurchase program, unused balance
Stock Repurchase Program, Remaining Authorized Repurchase Amount
Schedule of Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Property, Plant and Equipment by Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Land [Member]
Land [Member]
Building and building improvements [Member]
Building and Building Improvements [Member]
Computer equipment and software [Member]
Computer Equipment [Member]
Leasehold improvements and tooling [Member]
Leaseholds and Leasehold Improvements [Member]
Evaluation units [Member]
Evaluation Units [Member]
Evaluation units [Member]
Furniture and fixtures [Member]
Furniture and Fixtures [Member]
Construction-in-progress [Member]
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net, by Type [Abstract]
Property, Plant and Equipment, Net, by Type [Abstract]
Total property and equipment
Property, Plant and Equipment, Gross
Less: accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property and equipment - net
Depreciation expense
Depreciation
Statement of Stockholders' Equity [Abstract]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Loss [Member]
AOCI Attributable to Parent [Member]
Accumulated Deficit [Member]
Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, shares
Shares, Issued
Balance
Issuance of common stock in connection with equity incentive plans - net of tax withholding (in shares)
Stock Issued During Period, Shares, Equity Incentive Plans
Stock Issued During Period, Shares, Equity Incentive Plans
Issuance of common stock in connection with equity incentive plans - net of tax withholding
Stock Issued During Period, Value, Equity Incentive Plans, Net of Taxes Withheld
Stock Issued During Period, Value, Equity Incentive Plans, Net of Taxes Withheld
Repurchase and retirement of common stock (in shares)
Repurchase and retirement of common stock
Stock-based compensation expense
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Cumulative-effect adjustment from adoption of ASU 2018-02/Topic 606
Cumulative Effect of New Accounting Principle in Period of Adoption
Net unrealized gain on investments - net of tax
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax
Balance, shares
Balance
Accumulated Other Comprehensive (Loss) Income [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Unrealized Gains and Losses on Investments [Member]
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive (Loss) Income [Roll Forward]
Accumulated Other Comprehensive Income [Roll Forward]
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance
AOCI Including Portion Attributable to Noncontrolling Interest, before Tax
Other comprehensive income before reclassifications
Other Comprehensive Income (Loss), before Reclassifications, before Tax
Amounts reclassified from accumulated other comprehensive loss
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Net current-period other comprehensive income
Other Comprehensive Income (Loss), before Tax
Ending balance
Tax Benefit Related To Items of Other Comprehensive Income or Loss [Roll Forward]
Accumulated Other Comprehensive Income, Tax [Roll Forward]
Accumulated Other Comprehensive Income, Tax [Roll Forward]
Beginning balance, tax
Accumulated Other Comprehensive Income Loss Tax
Accumulated Other Comprehensive Income Loss Tax
Other comprehensive income before reclassifications, tax
Other Comprehensive Income (Loss) before Reclassifications, Tax
Amounts reclassified from accumulated other comprehensive income, tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax
Net current-period other comprehensive income, tax
Other Comprehensive Income (Loss), Tax
Ending balance, tax
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
ZoneFox Holdings Limited [Member]
ZoneFox Holdings Limited [Member]
ZoneFox Holdings Limited [Member]
Bradford [Member]
Bradford Networks, Inc. [Member]
Bradford Networks, Inc. [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Preliminary purchase price
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
Goodwill not deductible for tax purposes
Identifiable intangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill
Liabilities assumed
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities
Cash consideration that may be paid as an earn-out subject to satisfaction of certain performance conditions
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High
Fair value assigned to contingent consideration
Business Combination, Contingent Consideration, Liability
Revenue Recognition
Revenue from Contract with Customer [Text Block]
COMMITMENTS AND CONTINGENCIES
Commitments and Contingencies Disclosure [Text Block]
Segment Reporting [Abstract]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Statement, Geographical [Axis]
Geographical [Axis]
Segment, Geographical [Domain]
Geographical [Domain]
Americas [Member]
Americas [Member]
U.S.
UNITED STATES
Canada
CANADA
Latin America
Latin America [Member]
Other Americas
Other Americas [Member]
Other Americas [Member]
EMEA
Europe, Middle East and Africa [Member]
Europe, Middle East and Africa [Member]
APAC
Asia Pacific and Japan [Member]
Asia Pacific and Japan [Member]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Exclusive Networks Group [Member]
Exclusive Networks Group [Member]
Exclusive Networks Group [Member]
Ingram Micro [Member]
Ingram Micro [Member]
Ingram Micro [Member]
Concentration Risk by Type [Axis]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Customer Concentration Risk [Member]
Customer Concentration Risk [Member]
Concentration Risk by Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Sales Revenue, Net [Member]
Sales Revenue, Net [Member]
Accounts Receivable [Member]
Accounts Receivable [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Business activity (in business activities)
Number of Business Activities
Number of business activities
Segment managers responsible for operations (in segment managers)
Number of Segment Managers Responsible for Operations
Number of Segment Managers Responsible for Operations
Number of operating segments (in operating segments)
Number of Operating Segments
Number of reportable segments (in reportable segments)
Number of Reportable Segments
Property and equipment - net
Concentration (percent)
Concentration Risk, Percentage
Schedule of Accumulated Other Comprehensive (Loss) Income
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
New Accounting Pronouncement, Early Adoption [Table]
New Accounting Pronouncement, Early Adoption [Table]
Accumulated Other Comprehensive Income [Member]
Retained Earnings [Member]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2016-02
Accounting Standards Update 2016-02 [Member]
Accounting Standards Update 2018-02
Accounting Standards Update 2018-02 [Member]
Accounting Standards Update 2018-02 [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
New Accounting Pronouncement, Early Adoption [Line Items]
ROU assets for operating leases
Lease liabilities for operating leases
Cumulative-effect adjustment from adoption of ASU 2018-02
DEFINED CONTRIBUTION PLANS
Compensation and Employee Benefit Plans [Text Block]
INVESTMENTS IN PRIVATELY-HELD COMPANIES
Investment [Text Block]
Effective tax rate (percent)
Effective Income Tax Rate Reconciliation, Percent
U.S. federal and state taxes, withholding taxes and foreign taxes
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, State and Local Income Taxes, and Foreign Income Tax Rate Differential, , Amount
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, State and Local Income Taxes, and Foreign Income Tax Rate Differential, , Amount
Excess tax benefits on stock compensation
Effective Income Tax Reconciliation, Excess Tax Benefit on Stock-based Compensation
Effective Income Tax Reconciliation, Excess Tax Benefit on Stock-based Compensation
Unrecognized tax benefits and related interest release
Effective Income Tax Reconciliation, Unrecognized Tax Benefits
Effective Income Tax Reconciliation, Unrecognized Tax Benefits
Unrecognized tax benefits
Unrecognized Tax Benefits
Unrecognized tax benefits that would favorably affect effective tax rate
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Accrued interest and penalties related to uncertain tax benefits
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Possible decrease in unrecognized tax benefits
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit
Revenue from external customers by geographic region
Revenue from External Customers by Geographic Areas [Table Text Block]
Property and equipment by geographic region
Long-lived Assets by Geographic Areas [Table Text Block]
Schedule of customer concentration
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation expected to be satisfied (percent)
Revenue, Remaining Performance Obligation, Percentage
Revenue, Remaining Performance Obligation, Percentage
Performance obligation expected recognition period for three-fourths of remaining obligation
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Revenue recognition period (in years)
Revenue Recognition Period
Revenue Recognition Period
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Security Subscription [Member]
Security Subscription [Member]
Security Subscription [Member]
Technical Support and Other [Member]
Technical Support and Other [Member]
Technical Support and Other [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
SEGMENT INFORMATION
Segment Reporting Disclosure [Text Block]
STOCKHOLDERS' EQUITY
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Stock-based Compensation Plan [Member]
Share Repurchase Program [Member]
Stock repurchase program, remaining repurchase amount
Remaining shares available for grant under the plans
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Expected term in years
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Volatility
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Risk-free interest rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Dividend rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance - Beginning (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Balance - Ending (in shares)
Weighted- Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Balance - Beginning (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Granted (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Forfeited (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Exercised (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Balance - Ending (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options vested and expected to vest, Outstanding (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Options vested and expected to vest, Weighted average exercise price (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Options vested and expected to vest, Weighted average remaining contractual life (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Options vested and expected to vest, Aggregate intrinsic value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Options exercisable, Outstanding (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Options exercisable, Weighted average exercise price (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Options exercisable, Weighted average remaining contractual life (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Options exercisable, Aggregate intrinsic value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Weighted-average fair value per share granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Intrinsic value of options exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Total fair value of awards vested
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
Remaining performance obligation
Revenue, Remaining Performance Obligation
Allowance for doubtful accounts
Allowance for Doubtful Accounts Receivable
Impairment loss
Capitalized Contract Cost, Impairment Loss
Deferred revenue recognized in period
Contract with Customer, Liability, Revenue Recognized
DEI [Abstract]
DEI [Abstract]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Document Type
Document Type
Document Period End Date
Document Period End Date
Amendment Flag
Amendment Flag
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Current Reporting Status
Entity Current Reporting Status
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding