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Note 3 - Revenue (Details Textual) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	May 02, 2018	Mar. 31, 2018	Dec. 31, 2017
Inventory Recall Expense			$ 0.9
Subsequent Event [Member]
Inventory Recall Expense	$ 1.1
Inventory Recall Expense Recorded Against Outstanding Receivables	$ 0.2
DePuy Mitek Inc [Member]
Revenues From Agreements as Percent of Total Revenue		76.00%

X

- Definition

Reflects the amount of costs to announce and effect a recall of defective merchandise recorded against outstanding receivables.

+ References

No definition available.

+ Details

Name:	anik_InventoryRecallExpenseRecordedAgainstOutstandingReceivables
Namespace Prefix:	anik_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The percent of total revenue that revenue from agreements comprises.

+ References

No definition available.

+ Details

Name:	anik_RevenuesFromAgreementsAsPercentOfTotalRevenue
Namespace Prefix:	anik_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Reflects the amount charged against earnings comprised of the costs to announce and effect a recall of defective merchandise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=anik_DepuyMitekIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: