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Note 8 - Goodwill (Details Textual) $ in Thousands	3 Months Ended		11 Months Ended		12 Months Ended
	Dec. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)	Nov. 30, 2022 USD ($)	Nov. 30, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Number of Reporting Units					2
Goodwill, Impairment Loss			$ 0		$ 0	$ 0	$ 42,520
Goodwill, Ending Balance	$ 8,413				$ 7,339	$ 7,781	8,413
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]
Goodwill, Impairment Loss		$ 0		$ 0			$ 0

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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X

- Definition

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.

+ References

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X

- Definition

Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

+ References

No definition available.

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