Note 10 - Leases - Schedule of Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Amortization of leased assets	$ 21	$ 21
Interest from leases	5	9
Net lease cost	214	387
Cost of Sales [Member]
Operating lease cost	0	142
Selling, General and Administrative Expenses [Member]
Operating lease cost	$ 188	$ 215