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Note 12 - Equity Incentive Plan (Details) (USD $)
 12 Months Ended 3 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Jun. 30, 2014
Jun. 18, 2013
Jun. 05, 2009
Jun. 07, 2011
Jun. 04, 2003
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Allocated Share-based Compensation Expense $ 1,607,421us-gaap_AllocatedShareBasedCompensationExpense $ 1,268,070us-gaap_AllocatedShareBasedCompensationExpense $ 1,151,199us-gaap_AllocatedShareBasedCompensationExpense          
Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Vested and Expected to Vest, Outstanding, Number (in Shares) 829,298anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedAndExpectedToVestOutstandingNumber              
Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price (in Dollars per share) $ 14.58anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice              
Share Based Compensation Arrangement by Share Based Payment Award,Options and Stock Appreciation Rights, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value 22,000,000anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue              
Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights, Vested and Expected to Vest, Weighted Average Remaining Contractual Term 6 years 255 days              
Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights, Vested, Aggregate Intrinsic Value 12,028,589anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedAggregateIntrinsicValue 27,997,198anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedAggregateIntrinsicValue            
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingIntrinsicValue 21,734,258anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingIntrinsicValue 43,199,713anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingIntrinsicValue            
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriodTotalIntrinsicValue 26,749,627anik_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriodTotalIntrinsicValue 4,370,830anik_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriodTotalIntrinsicValue            
Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights, Vested in Period, Fair Value 1,148,947anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedInPeriodFairValue 1,088,802anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedInPeriodFairValue            
Proceeds from Stock Options Exercised 2,054,706us-gaap_ProceedsFromStockOptionsExercised 3,053,941us-gaap_ProceedsFromStockOptionsExercised 388,675us-gaap_ProceedsFromStockOptionsExercised          
Employee Stock Option [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) 1,337,192us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		              
Share-based Compensation Arrangement Evaluation Of Expected Volatility Assumption To Historical Volatility Average Period 4 years              
Stock Options, SAR’s and Restricted Stock Awards [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Allocated Share-based Compensation Expense 1,607,421us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= anik_StockOptionsSARSAndRestrictedStockAwardsMember		 1,268,070us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= anik_StockOptionsSARSAndRestrictedStockAwardsMember		 1,151,199us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= anik_StockOptionsSARSAndRestrictedStockAwardsMember		          
Stock Options and SARs [Member] | 1993 Plan [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in Shares) 851,287us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= anik_StockOptionsAndSARSMember
/ us-gaap_PlanNameAxis
= anik_NineteenNinetyThreePlanMember		              
Stock Options and SARs [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized 2,908,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= anik_StockOptionsAndSARSMember		              
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years 328 days              
Incentive Stock Options [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in Shares) 128,536us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_AwardTypeAxis
= anik_IncentiveStockOptionsMember		              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in Dollars per share) $ 8.73us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= anik_IncentiveStockOptionsMember		              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 4 years 146 days              
Nonqualified Stock Options [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in Shares) 180,989us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_AwardTypeAxis
= anik_NonqualifiedStockOptionsMember		              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in Dollars per share) $ 8.58us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= anik_NonqualifiedStockOptionsMember		              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 5 years 219 days              
Stock Appreciation Rights (SARs) [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in Shares) 65,092us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_AwardTypeAxis
= us-gaap_StockAppreciationRightsSARSMember		              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in Dollars per share) $ 8.58us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_StockAppreciationRightsSARSMember		              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 3 years 219 days              
Stock Repurchased and Retired During Period, Shares (in Shares)       133,774us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_AwardTypeAxis
= us-gaap_StockAppreciationRightsSARSMember		        
Restricted Stock and Restricted Stock Units [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value $ 799,006us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= anik_RestrictedStockAndRestrictedStockUnitsMember		 $ 290,704us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= anik_RestrictedStockAndRestrictedStockUnitsMember		            
Minimum [Member] | 2003 Plan [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1 year              
Maximum [Member] | 2003 Plan [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years              
2003 Plan [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)               1,500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= anik_TwoThousandThreePlanMember
Amended 2003 Plan [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)         3,800,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= anik_AmendedTwoThousandThreePlanMember		 2,350,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= anik_AmendedTwoThousandThreePlanMember		    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in Shares)         650,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
/ us-gaap_PlanNameAxis
= anik_AmendedTwoThousandThreePlanMember		 850,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
/ us-gaap_PlanNameAxis
= anik_AmendedTwoThousandThreePlanMember		    
Second Amended 2003 Plan [Member]                
Note 12 - Equity Incentive Plan (Details) [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)             3,150,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= anik_SecondAmendedTwoThousandThreePlanMember		  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in Shares)             800,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
/ us-gaap_PlanNameAxis
= anik_SecondAmendedTwoThousandThreePlanMember