Note 13 - Segment Information - Net Sales by Product and Service (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net sales	$ 43,924	$ 49,134
Less: sales returns	(198)	(218)
Product [Member]
Net sales	42,108	44,159
Administrative Fees, Freight and Other [Member]
Net sales	$ 2,014	$ 5,193