Note 4 - Fair Value Measurements - Summary of Change in Fair Value for Contingent Consideration (Details) - The 2015 Senhance Acquisition [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2023
Balance	$ 1,564	$ 1,361	$ 1,256	$ 1,256
Change in fair value	366	203	105
Balance	$ 1,930	$ 1,564	$ 1,361	$ 1,930

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant