Note 9 - Leases - Undiscounted Payments Under Non-cancelable Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
2026, finance leases	$ 10
2026, operating leases	505
2027, finance leases	0
2027, operating leases	242
2028, finance leases	0
2028, operating leases	194
Finance Lease, Liability, to be Paid, Year Four	0
Lessee, Operating Lease, Liability, to be Paid, Year Four	194
Finance Lease, Liability, to be Paid, Year Five	0
Lessee, Operating Lease, Liability, to be Paid, Year Five	188
Thereafter, finance leases	0
Thereafter, operating leases	15
Finance leases, total minimum lease payments	10
Operating leases, total minimum lease payments	1,338
Finance leases, less: Amount representing interest	0
Operating leases, less: Amount representing interest	143
Present value of minimum finance lease payments	10	$ 19
Present value of minimum operating lease payments	1,195	1,706
Current portion, finance leases	10	10
Current portion, operating leases	451	550
Finance lease obligations, net of current portion	0	9
Operating lease obligations, net of current portion	$ 744	$ 1,156