Note 14 - Lease Obligations - Leases Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Operating lease right-of-use assets	$ 1,781	$ 2,900
Current portion of operating lease liabilities	1,019	1,398
Non-current portion of operating lease liabilities	762	1,502
Total operating lease liabilities	$ 1,781	$ 2,900
Weighted average remaining lease term - operating leases (in years) (Year)	4 years 11 months 1 day	2 years 11 months 12 days
Weighted average discount rate - operating leases	24.00%	9.90%