Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

Note 8 - Goodwill (Details Textual) $ in Thousands	3 Months Ended		11 Months Ended	12 Months Ended
Note 8 - Goodwill (Details Textual) $ in Thousands	Dec. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)	Nov. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Number of Reporting Units				2
Goodwill, Impairment Loss				$ 0	$ 42,520	$ 0
Goodwill, Ending Balance	$ 8,413			$ 7,781	8,413	$ 7,694
Parcus Medical and Arthrosurface [Member]
Number of Reporting Units				2
Goodwill, Impairment Loss	24,400	$ 18,100			42,500
Goodwill, Ending Balance	$ 0				0
Legacy Anika Reporting Unit [Member]
Number of Reporting Units				1
Goodwill, Impairment Loss		$ 0	$ 0		$ 0