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Note 3 - Recent Accounting Pronouncements (Details Textual) - Reclassification from Current Deferred Tax Assets to a Reduction in Noncurrent Deferred Tax Liabilities [Member] - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 1.8
Prior Period Reclassification Adjustment		$ 2.3

X

- Definition

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of a reclassification adjustment made to prior period financial statement amounts.

+ References

No definition available.

+ Details

Name:	us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=anik_ReclassificationFromCurrentDeferredTaxAssetsToAReductionInNoncurrentDeferredTaxLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: