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Note 12 - Equity Incentive Plan (Details) (USD $) | 12 Months Ended | 3 Months Ended | 0 Months Ended |
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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 | $ 1,607,421 us-gaap_AllocatedShareBasedCompensationExpense | $ 1,268,070 us-gaap_AllocatedShareBasedCompensationExpense | $ 1,151,199 us-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) | 829,298 anik_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) | $ 14.58 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice |  |  |  |  |  |  |
Share Based Compensation Arrangement by Share Based Payment Award,Options and Stock Appreciation Rights, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value | 22,000,000 anik_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 | 12,028,589 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedAggregateIntrinsicValue | 27,997,198 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedAggregateIntrinsicValue |  |  |  |  |  |
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingIntrinsicValue | 21,734,258 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingIntrinsicValue | 43,199,713 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingIntrinsicValue |  |  |  |  |  |
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriodTotalIntrinsicValue | 26,749,627 anik_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriodTotalIntrinsicValue | 4,370,830 anik_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriodTotalIntrinsicValue |  |  |  |  |  |
Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights, Vested in Period, Fair Value | 1,148,947 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedInPeriodFairValue | 1,088,802 anik_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsVestedInPeriodFairValue |  |  |  |  |  |
Proceeds from Stock Options Exercised | 2,054,706 us-gaap_ProceedsFromStockOptionsExercised | 3,053,941 us-gaap_ProceedsFromStockOptionsExercised | 388,675 us-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) | 1,337,192 us-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 | 1,607,421 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = anik_StockOptionsSARSAndRestrictedStockAwardsMember | 1,268,070 us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = anik_StockOptionsSARSAndRestrictedStockAwardsMember | 1,151,199 us-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) | 851,287 us-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 | 2,908,000 us-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) | 128,536 us-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) | $ 8.73 us-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) | 180,989 us-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) | $ 8.58 us-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) | 65,092 us-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) | $ 8.58 us-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) |  |  |  | 133,774 us-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 | $ 799,006 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = anik_RestrictedStockAndRestrictedStockUnitsMember | $ 290,704 us-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) |  |  |  |  |  |  |  | 1,500,000 us-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) |  |  |  |  | 3,800,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_PlanNameAxis = anik_AmendedTwoThousandThreePlanMember | 2,350,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_PlanNameAxis = anik_AmendedTwoThousandThreePlanMember |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in Shares) |  |  |  |  | 650,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized / us-gaap_PlanNameAxis = anik_AmendedTwoThousandThreePlanMember | 850,000 us-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) |  |  |  |  |  |  | 3,150,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_PlanNameAxis = anik_SecondAmendedTwoThousandThreePlanMember |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in Shares) |  |  |  |  |  |  | 800,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized / us-gaap_PlanNameAxis = anik_SecondAmendedTwoThousandThreePlanMember |

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- Definition The expected volatility assumption is evaluated against the historical volatility of the Company’s common stock. + References No definition available. + Details
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -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=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of additional shares authorized for issuance under an established share-based compensation plan. + References No definition available. + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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