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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	0.01us-gaap_PreferredStockParOrStatedValuePerShare	$ 0.01us-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	0.01us-gaap_PreferredStockParOrStatedValuePerShare / us-gaap_PlanNameAxis = anik_ShareholderRightsPlanTwoThousandEightMember / us-gaap_StatementClassOfStockAxis = anik_SeriesBJuniorParticipatingPreferredStockMember
Preferred Stock, Capital Shares Reserved for Future Issuance	175,000us-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	75.00anik_ExercisePricePerShare / us-gaap_PlanNameAxis = anik_ShareholderRightsPlanTwoThousandEightMember
Redemption Price per Right	0.01anik_StockRedemptionPricePerShare / us-gaap_PlanNameAxis = anik_ShareholderRightsPlanTwoThousandEightMember

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- Definition

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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

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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

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