Note 16 - Distribution Agreements - Changes in Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Chargebacks, Discounts for Prompt, Payment, and Other [Member]
Balance	$ 1,673	$ 1,150
Current period	716	1,865
Payments and customer credits issued	(1,476)	(1,342)
Balance	913	1,673
Other Customer Fees [Member]
Balance	53	83
Current period	321	65
Payments and customer credits issued	(362)	(95)
Balance	12	53
Rebates [Member]
Balance	81	56
Current period	106	448
Payments and customer credits issued	(166)	(423)
Balance	21	81
Variable Consideration [Member]
Balance	1,807	1,289
Current period	1,143	2,378
Payments and customer credits issued	(2,004)	(1,860)
Balance	$ 946	$ 1,807