v2.4.1.9

Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (USD $) In Thousands, except Share data, unless otherwise specified | Total | Convertible Preferred Stock | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Income | Accumulated Deficit
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2011 | $ (64,424)us-gaap_StockholdersEquity |  | $ 5 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 12,927 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ 0 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | $ (77,356)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Convertible Preferred Stock balance at Dec. 31, 2011 |  | 63,873 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |  |  |  |
Balance (in shares) at Dec. 31, 2011 |  |  | 5,300,288 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Convertible Preferred Stock, balance (in shares) at Dec. 31, 2011 |  | 17,597,258 us-gaap_TemporaryEquitySharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |  |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |
Convertible Preferred Stock, Conversion of preferred stock to common stock upon initial public offering |  | (63,873)qlys_TemporaryEquityStockIssuedDuringPeriodValueConversionOfConvertibleSecurities / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |  |  |  |
Convertible Preferred Stock, Conversion of preferred stock to common stock upon initial public offering (in shares) |  | (17,597,258)qlys_TemporaryEquityStockIssuedDuringPeriodSharesConversionOfConvertibleSecurities / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 2,221 us-gaap_NetIncomeLoss |  |  |  |  | 2,221 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Change in unrealized gain (loss) on investments | 8 us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax |  |  |  | 8 us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
Issuance of common stock upon initial public offering, net of offering costs | 84,534 us-gaap_StockIssuedDuringPeriodValueNewIssues |  | 8 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 84,526 us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Issuance of common stock upon initial public offering, net of offering costs (in shares) |  |  | 7,836,250 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Conversion of preferred stock to common stock upon initial public offering | 63,873 us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities |  | 17 us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 63,856 us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Conversion of preferred stock to common stock upon initial public offering (shares) |  |  | 17,597,258 us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Issuance of common stock upon exercise of stock options | 1,685 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |  | 1 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,684 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Issuance of common stock upon exercise of stock options (shares) | 724,316 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |  | 724,316 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Vesting of early exercised common stock options | 155 qlys_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognitionEarlyExercised |  |  | 155 qlys_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognitionEarlyExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Repurchase of unvested early exercised stock options | 0 us-gaap_StockRepurchasedDuringPeriodValue |  |  |  |  |
Repurchase of unvested early exercised stock options (shares) |  |  | (60,126)us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Issuance of common stock in exchange for services | 45 us-gaap_StockIssuedDuringPeriodValueIssuedForServices |  |  | 45 us-gaap_StockIssuedDuringPeriodValueIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Issuance of common stock in exchange for services (shares) |  |  | 15,945 us-gaap_StockIssuedDuringPeriodSharesIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Issuance of common stock for acquisition of license | 51 us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets |  |  | 51 us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Issuance of common stock for acquisition of license (shares) |  |  | 6,097 us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Stock-based compensation | 3,407 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  | 3,407 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Balance at Dec. 31, 2012 | 91,555 us-gaap_StockholdersEquity |  | 31 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 166,651 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | 8 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | (75,135)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Convertible Preferred Stock balance at Dec. 31, 2012 |  | 0 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |  |  |  |
Balance (in shares) at Dec. 31, 2012 |  |  | 31,420,028 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Convertible Preferred Stock, balance (in shares) at Dec. 31, 2012 |  | 0 us-gaap_TemporaryEquitySharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 1,541 us-gaap_NetIncomeLoss |  |  |  |  | 1,541 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Change in unrealized gain (loss) on investments | 30 us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax |  |  |  | 30 us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
Issuance of common stock upon exercise of stock options | 4,073 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |  | 1 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 4,072 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Issuance of common stock upon exercise of stock options (shares) | 952,871 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |  | 952,871 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Vesting of early exercised common stock options | 262 qlys_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognitionEarlyExercised |  |  | 262 qlys_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognitionEarlyExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Excess tax benefits from stock-based compensation | 150 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  |  | 150 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Repurchase of unvested early exercised stock options | 0 us-gaap_StockRepurchasedDuringPeriodValue |  |  |  |  |
Repurchase of unvested early exercised stock options (shares) |  |  | (500)us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Issuance of common stock in exchange for services | 41 us-gaap_StockIssuedDuringPeriodValueIssuedForServices |  |  | 41 us-gaap_StockIssuedDuringPeriodValueIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Issuance of common stock in exchange for services (shares) |  |  | 2,900 us-gaap_StockIssuedDuringPeriodSharesIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Stock-based compensation | 5,465 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  | 5,465 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Balance at Dec. 31, 2013 | 103,117 us-gaap_StockholdersEquity |  | 32 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 176,641 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | 38 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | (73,594)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Convertible Preferred Stock balance at Dec. 31, 2013 |  | 0 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |  |  |  |
Balance (in shares) at Dec. 31, 2013 |  |  | 32,375,299 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Convertible Preferred Stock, balance (in shares) at Dec. 31, 2013 |  | 0 us-gaap_TemporaryEquitySharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 30,244 us-gaap_NetIncomeLoss |  |  |  |  | 30,244 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Change in unrealized gain (loss) on investments | (28)us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax |  |  |  | (28)us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
Issuance of common stock upon exercise of stock options | 7,639 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |  | 2 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 7,637 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Issuance of common stock upon exercise of stock options (shares) | 1,216,710 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |  | 1,216,710 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Vesting of early exercised common stock options | 47 qlys_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognitionEarlyExercised |  |  | 47 qlys_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognitionEarlyExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Excess tax benefits from stock-based compensation | 259 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  |  | 259 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Repurchase of unvested early exercised stock options | 0 us-gaap_StockRepurchasedDuringPeriodValue |  |  |  |  |
Repurchase of unvested early exercised stock options (shares) |  |  | (125)us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Issuance of common stock in exchange for services | 50 us-gaap_StockIssuedDuringPeriodValueIssuedForServices |  |  | 50 us-gaap_StockIssuedDuringPeriodValueIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Issuance of common stock in exchange for services (shares) |  |  | 2,401 us-gaap_StockIssuedDuringPeriodSharesIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Stock-based compensation | 10,499 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  | 10,499 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Balance at Dec. 31, 2014 | 151,827 us-gaap_StockholdersEquity |  | 34 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 195,133 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | 10 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | (43,350)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Convertible Preferred Stock balance at Dec. 31, 2014 |  | $ 0 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |  |  |  |
Balance (in shares) at Dec. 31, 2014 |  |  | 33,594,285 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
Convertible Preferred Stock, balance (in shares) at Dec. 31, 2014 |  | 0 us-gaap_TemporaryEquitySharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember |  |  |  |

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- Definition Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition, Early Exercised + References No definition available. + Details
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- Definition This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation". + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415241&loc=d3e4534-113899 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11149-113907 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11178-113907 + Details
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