Note 3 - Leases - Schedule of Future Minimum Lease Payments (Details) $ in Thousands	Sep. 30, 2022 USD ($)
2023, Operating Leases	$ 78
2023, Financing Leases	116
2023	194
2024, Operating Leases	93
2024, Financing Leases	154
2024	247
2025, Operating Leases	0
2025, Financing Leases	67
2025	67
2026, Operating Leases	0
2026, Financing Leases	0
2026	0
2027, Operating Leases	0
2027, Financing Leases	0
2027	0
Thereafter, Operating Leases	0
Thereafter, Financing Leases	0
Thereafter	0
Total lease obligations, Operating Leases	171
Total lease obligations, Financing Leases	337
Total lease obligations	508
Less: imputed interest, Operating Leases	9
Less: imputed interest, Financing Leases	19
Less: imputed interest	28
Financing lease obligations	177
Lease Liabilities, Current [Member]
Present value of net minimum lease obligations	162
Present value of net minimum lease obligations, Financing Leases	318
Present value of net minimum lease obligations	480
Less: lease liabilities - current, Operating Leases	98
Less: lease liabilities - current, Financing Leases	141
Less: lease liabilities - current	239
Lease Liabilities, Noncurrent [Member]
Operating lease obligations	64
Financing lease obligations	177
Lease liabilities - non-current	$ 241