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Note 13 - Shareholder Rights Plan (Details) (USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Apr. 04, 2008
Note 13 - Shareholder Rights Plan (Details) [Line Items] |  |  |
Preferred Stock, Par or Stated Value Per Share | 0.01 us-gaap_PreferredStockParOrStatedValuePerShare | $ 0.01 us-gaap_PreferredStockParOrStatedValuePerShare |
Series B Junior Participating Preferred Stock [Member] | Shareholder Rights Plan 2008 [Member] |  |  |
Note 13 - Shareholder Rights Plan (Details) [Line Items] |  |  |
Preferred Stock, Par or Stated Value Per Share | 0.01 us-gaap_PreferredStockParOrStatedValuePerShare / us-gaap_PlanNameAxis = anik_ShareholderRightsPlanTwoThousandEightMember / us-gaap_StatementClassOfStockAxis = anik_SeriesBJuniorParticipatingPreferredStockMember |  |
Preferred Stock, Capital Shares Reserved for Future Issuance | 175,000 us-gaap_PreferredStockCapitalSharesReservedForFutureIssuance / us-gaap_PlanNameAxis = anik_ShareholderRightsPlanTwoThousandEightMember / us-gaap_StatementClassOfStockAxis = anik_SeriesBJuniorParticipatingPreferredStockMember |  |
Minimum [Member] | Shareholder Rights Plan 2008 [Member] |  |  |
Note 13 - Shareholder Rights Plan (Details) [Line Items] |  |  |
Stockholders Rights Plan, Exercisability Threshold, Percentage |  |  | 15.00%anik_StockholdersRightsPlanExercisabilityThresholdPercentage / us-gaap_PlanNameAxis = anik_ShareholderRightsPlanTwoThousandEightMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Stockholders Rights Plan, Exercise Percentage of Voting Stock Ownership Offer |  |  | 15.00%anik_StockholderRightsPlanExerciseTriggerThresholdPercentageVotingStockOwnershipOffer / us-gaap_PlanNameAxis = anik_ShareholderRightsPlanTwoThousandEightMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Percentage of Beneficial Ownership | 50.00%anik_PercentageOfBeneficialOwnershipInterests / us-gaap_PlanNameAxis = anik_ShareholderRightsPlanTwoThousandEightMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Shareholder Rights Plan 2008 [Member] |  |  |
Note 13 - Shareholder Rights Plan (Details) [Line Items] |  |  |
Exercise Price per Right | 75.00 anik_ExercisePricePerShare / us-gaap_PlanNameAxis = anik_ShareholderRightsPlanTwoThousandEightMember |  |
Redemption Price per Right | 0.01 anik_StockRedemptionPricePerShare / us-gaap_PlanNameAxis = anik_ShareholderRightsPlanTwoThousandEightMember |  |

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- Definition Aggregate number of nonredeemable preferred shares reserved for future issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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