Note 7 - Intangible Assets, Net and Goodwill (Details Textual) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Aug. 31, 2023
Amortization of Intangible Assets		$ 345	$ 287
Impairment of Intangible Assets (Excluding Goodwill)	$ 700	$ 700	$ 0
Intrensic, LLC [Member] | Trademarks [Member]
Acquired Finite-Lived Intangible Asset, Residual Value				$ 80
Intrensic, LLC [Member] | Technology-Based Intangible Assets [Member]
Acquired Finite-Lived Intangible Asset, Residual Value				490
Intrensic, LLC [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Asset, Residual Value				$ 160