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Note 12 - Equity Incentive Plan (Details) - Stock Options and SAR’s Activity (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Stock Options and SAR’s Activity [Abstract] |  |
Options and SAR's outstanding at beginning of year | 1,513,326 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingNumber | 1,793,685 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingNumber
Options and SAR's outstanding at beginning of year | $ 9.14 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsWeightedAverageExercisePrice | $ 8.30 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsWeightedAverageExercisePrice
Options and SAR's outstanding at end of year | 851,287 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingNumber | 1,513,326 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingNumber
Options and SAR's outstanding at end of year | $ 14.85 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsWeightedAverageExercisePrice | $ 9.14 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsWeightedAverageExercisePrice
Granted | 179,240 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsGrantsInPeriod | 413,500 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsGrantsInPeriod
Granted | $ 35.62 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsGrantsInPeriodWeightedAverageExercisePrice | $ 12.55 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsGrantsInPeriodWeightedAverageExercisePrice
Cancelled | (53,325)anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsForfeituresInPeriod | (243,724)anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsForfeituresInPeriod
Cancelled | $ 23.73 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsForfeituresInPeriodWeightedAverageExercisePrice | $ 8.77 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsForfeituresInPeriodWeightedAverageExercisePrice
Expired | (24,292)anik_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndStockAppreciationRightsExpirationsInPeriod | (9,928)anik_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndStockAppreciationRightsExpirationsInPeriod
Expired | $ 9.87 anik_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndStockAppreciationRightsExpirationsInPeriodWeightedAverageExercisePrice | $ 9.62 anik_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndStockAppreciationRightsExpirationsInPeriodWeightedAverageExercisePrice
Exercised | (763,662)anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriod | (440,207)anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriod
Exercised | $ 7.95 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriodWeightedAverageExercisePrice | $ 8.71 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriodWeightedAverageExercisePrice

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- Definition Share Based Compensation Arrangement by Share Based Payment Award Options and Stock Appreciation Rights Exercises in Period + References No definition available. + Details
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- Definition Share Based Compensation Arrangement by Share Based Payment Award Options And Stock Appreciation Rights Outstanding Number. + References No definition available. + Details
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- Details
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