Note 8 - Commitments and Contingencies - Future Minimum Lease Commitments (Details) $ in Thousands	Mar. 31, 2021 USD ($)
2022, operating leases	$ 948
2022, finance leases	99
2023, operating leases	709
2023, finance leases	20
2024, operating leases	645
2024, finance leases	14
2025, operating leases	399
2025, finance leases	6
2026, operating leases	356
2026, finance leases
Thereafter, operating leases	90
Thereafter, finance leases
Total future lease commitments, operating leases	3,147
Total future lease commitments, finance leases	139
Impact of discounting, operating leases	(314)
Impact of discounting, finance leases	(35)
Discounted value of lease obligations, operating leases	2,833
Discounted value of lease obligations, finance leases	$ 104