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Note 3 - Recent Accounting Pronouncements (Details Textual) $ in Millions | 9 Months Ended
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Sep. 30, 2017 USD ($)
Reclassification from Net Cash Used in Financing Activities to Net Cash Provided by Operating Activities [Member] | Three Months Ended March 31, 2016 [Member] |
Prior Period Reclassification Adjustment | $ 0.4

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

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- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=anik_ReclassificationFromNetCashUsedInFinancingActivitiesToNetCashProvidedByOperatingActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreationDateAxis=anik_ThreeMonthsEndedMarch312016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |