Note 10 - Debt - Debt Issuance Cost (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Less: Amortization of debt issuance cost*		$ (40)	$ (146)
Senior Debt Facility [Member]
Opening balance		507	$ 2,332	$ 2,332
Less: Amortization of debt issuance cost*	[1]	(40)		(1,825)
Closing balance		$ 467		$ 507

[1] includes one time amortisation of $1,260 during period ended December 31, 2022.