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Consolidated Statements of Shareholders' Equity (USD $) In Thousands, except Share data | Total | Common Stock [Member] | Accumulated Deficit [Member]
--- | --- | --- | ---
Beginning Balance at Jan. 28, 2012 | $ 117,662 us-gaap_StockholdersEquity | $ 150,352 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ (32,690)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Beginning Balance, shares at Jan. 28, 2012 |  | 18,360,739 us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Exercise of stock options and employee stock purchases | 282 kirk_ExerciseOfEmployeeStockOptionsAndEmployeeStockPurchases | 282 kirk_ExerciseOfEmployeeStockOptionsAndEmployeeStockPurchases / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Exercise of employee stock options and employee stock purchases, shares |  | 106,653 kirk_ExerciseOfEmployeeStockOptionsAndEmployeeStockPurchasesShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Tax benefit from exercise of stock options and vesting of restricted stock | 46 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation | 46 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Net share settlement of stock options and restricted stock, shares |  | (27,402)kirk_NetShareSettlementOfStockOptionsAndRestrictedStockShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Stock-based compensation expense | 2,712 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 2,712 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Repurchase and retirement of common stock | (16,622)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue | (23)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (16,599)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Repurchase and retirement of common stock, shares |  | (1,361,898)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Net income | 13,795 us-gaap_NetIncomeLoss |  | 13,795 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Ending Balance at Feb. 02, 2013 | 117,875 us-gaap_StockholdersEquity | 153,369 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (35,494)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Ending Balance, shares at Feb. 02, 2013 |  | 17,078,092 us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Exercise of stock options and employee stock purchases | 267 kirk_ExerciseOfEmployeeStockOptionsAndEmployeeStockPurchases | 267 kirk_ExerciseOfEmployeeStockOptionsAndEmployeeStockPurchases / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Exercise of employee stock options and employee stock purchases, shares |  | 336,592 kirk_ExerciseOfEmployeeStockOptionsAndEmployeeStockPurchasesShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Tax benefit from exercise of stock options and vesting of restricted stock | 409 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation | 409 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Net share settlement of stock options and restricted stock | (682)kirk_NetShareSettlementOfStockOptionsAndRestrictedStockValue | (682)kirk_NetShareSettlementOfStockOptionsAndRestrictedStockValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Net share settlement of stock options and restricted stock, shares |  | (221,399)kirk_NetShareSettlementOfStockOptionsAndRestrictedStockShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Restricted stock issued, Shares |  | 111,000 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Stock-based compensation expense | 2,830 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 2,830 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Net income | 14,530 us-gaap_NetIncomeLoss |  | 14,530 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Ending Balance at Feb. 01, 2014 | 135,229 us-gaap_StockholdersEquity | 156,193 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (20,964)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Ending Balance, shares at Feb. 01, 2014 |  | 17,304,285 us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Exercise of stock options and employee stock purchases | 298 kirk_ExerciseOfEmployeeStockOptionsAndEmployeeStockPurchases | 298 kirk_ExerciseOfEmployeeStockOptionsAndEmployeeStockPurchases / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Exercise of employee stock options and employee stock purchases, shares |  | 49,847 kirk_ExerciseOfEmployeeStockOptionsAndEmployeeStockPurchasesShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Tax benefit from exercise of stock options and vesting of restricted stock | 99 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation | 99 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Net share settlement of stock options and restricted stock | (347)kirk_NetShareSettlementOfStockOptionsAndRestrictedStockValue | (347)kirk_NetShareSettlementOfStockOptionsAndRestrictedStockValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Net share settlement of stock options and restricted stock, shares |  | (39,512)kirk_NetShareSettlementOfStockOptionsAndRestrictedStockShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Restricted stock issued, Shares |  | 82,000 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Stock-based compensation expense | 2,772 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | 2,772 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Repurchase and retirement of common stock | (4,803)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue |  | (4,803)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Repurchase and retirement of common stock, shares |  | (268,745)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
Net income | 17,814 us-gaap_NetIncomeLoss |  | 17,814 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Ending Balance at Jan. 31, 2015 | $ 151,062 us-gaap_StockholdersEquity | $ 159,015 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ (7,953)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Ending Balance, shares at Jan. 31, 2015 |  | 17,127,875 us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |

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