Note 8 - Leases - Maturities of Lease Liabilities (Details) $ in Thousands	Mar. 31, 2022 USD ($)
2022, operating leases	$ 364
2022, finance leases	67
2023, operating leases	528
2023, finance leases	65
2024, operating leases	429
2024, finance leases	25
2025, operating leases	439
2025, finance leases	10
2026, operating leases	451
2026, finance leases	7
Thereafter, operating leases	578
Thereafter, finance leases	0
Total lease payments, operating leases	2,789
Total lease payments, finance leases	174
Amounts representing interest, operating leases	(599)
Amounts representing interest, finance leases	(6)
Present value of lease obligations, operating leases	2,190
Present value of lease obligations, finance leases	$ 168