Note 5 - Leases - Future Maturities of Lease Liabilities (Details) $ in Thousands	Dec. 31, 2021 USD ($)
2022, operating	$ 522
2022, finance	68
2023, operating	399
2023, finance	68
2024, operating	313
2024, finance	63
2025, operating	354
2025, finance	13
2026, operating	366
2026, finance	11
Thereafter, operating	31
Thereafter, finance	0
Total, operating	1,985
Total, finance	223
Less: Present value discount, operating	(161)
Less: Present value discount, finance	(16)
Lease liability, operating	1,824
Lease liability, finance	$ 207