XML 50 R31.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Note 10 - Stockholders' Equity and Stock-based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Notes Tables |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | (in thousands) |
Cost of revenues |  | $ | 3,782 |  |  | $ | 2,767 |  |  | $ | 2,262 |
Research and development |  |  | 10,750 |  |  |  | 13,502 |  |  |  | 11,151 |
Sales and marketing |  |  | 6,323 |  |  |  | 5,785 |  |  |  | 4,984 |
General and administrative |  |  | 46,724 |  |  |  | 17,981 |  |  |  | 16,495 |
Total stock-based compensation |  | $ | 67,579 |  |  | $ | 40,035 |  |  | $ | 34,892 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Expected term (in years) |  |  | 5.2 to 5.5 |  |  |  | 4.5 to 5.5 |  |  |  | 4.4 to 6.6 |
Volatility |  |  | 38% to 41 | % |  |  | 38% to 43 | % |  |  | 40% to 46 | %
Risk-free interest rate |  |  | 0.5% to 1.2 | % |  |  | 0.3% to 1.4 | % |  |  | 1.5% to 2.4 | %
Dividend yield |  |  | — |  |  |  | — |  |  |  | — |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Outstanding Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life |  |  | Aggregate Intrinsic Value |
|  | (in thousands) |  |  |  |  |  |  | (Years) |  |  | (in thousands) |
Balance as of December 31, 2020 |  |  | 2,215 |  |  | $ | 59.07 |  |  |  | 6.5 |  |  | $ | 139,121 |
Granted |  |  | 495 |  |  | $ | 112.43 |  |  |  |  |  |  |  |  |
Exercised |  |  | (725 | )(1) |  | $ | 68.91 |  |  |  |  |  |  |  |  |
Canceled |  |  | (147 | ) |  | $ | 102.92 |  |  |  |  |  |  |  |  |
Balance as of December 31, 2021 |  |  | 1,838 |  |  | $ | 66.05 |  |  |  | 6.0 |  |  | $ | 130,791 |
Vested and expected to vest - December 31, 2021 |  |  | 1,659 |  |  | $ | 61.43 |  |  |  | 5.7 |  |  | $ | 125,769 |
Exercisable - December 31, 2021 |  |  | 1,168 |  |  | $ | 42.60 |  |  |  | 4.3 |  |  | $ | 110,495 |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  | Outstanding RSUs |  |  | Weighted Average Grant Date Fair Value |
|  | (in thousands) |  |  |  |  |
Balance as of December 31, 2020 |  |  | 1,047 |  |  | $ | 86.78 |
Granted |  |  | 583 | (1) |  | $ | 114.59 |
Vested |  |  | (530 | )(2) |  | $ | 84.97 |
Canceled |  |  | (183 | ) |  | $ | 90.42 |
Balance as of December 31, 2021 |  |  | 917 | (3) |  | $ | 104.78 |
Outstanding and expected to vest - December 31, 2021 |  |  | 815 |  |  | $ | 104.22 |
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] |
|  | Year Ended December 31, |
|  | 2021 |
Expected term (in years) |  |  | 0.5 |
Volatility |  |  | 34 | %
Risk-free interest rate |  |  | 0.1 | %
Dividend yield |  |  | — |
Share Repurchase Program [Table Text Block] |
Announcement Date |  | Authorized Dollar Value |
|  | (in millions) |
February 12, 2018 |  | $ | 100.0 |
October 30, 2018 |  |  | 100.0 |
October 30, 2019 |  |  | 100.0 |
May 7, 2020 |  |  | 100.0 |
February 10, 2021 |  |  | 100.0 |
November 3, 2021 |  |  | 200.0 |
Total as of December 31, 2021 |  | $ | 700.0 |

X
- Definition Tabular disclosure of share repurchase program. + References No definition available. + Details
Name: | qlys_ShareRepurchaseProgramTableTextBlock
Namespace Prefix: | qlys_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration