Note 9 - Commitments and Contingencies - Future Minimum Lease Commitments (Details) $ in Thousands	Dec. 31, 2021 USD ($)
2022, operating leases	$ 799
2022, finance leases	21
2023, operating leases	641
2023, finance leases	14
2024, operating leases	465
2024, finance leases	10
2025, operating leases	354
2025, finance leases	0
2026, operating leases	179
2026, finance leases	0
Total future lease commitments	2,438
Total future lease commitments	45
Impact of discounting, operating leases	(254)
Impact of discounting, finance leases	(2)
Discounted value of lease obligations, operating leases	2,184
Discounted value of lease obligations, finance leases	$ 43