Note 7 - Commitments and Contingencies - Information Related to Right-of-use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Right-of-use assets	$ 6,607		$ 7,163
Current operating lease liabilities	1,459		1,355
Non-current operating lease liabilities	6,786		7,543
Total lease liabilities	8,245		$ 8,898
Cash paid for operating lease liabilities	1,067	$ 940
2025 (remaining 6 months)	1,083
2026	2,225
2027	2,302
2028	2,381
2029	2,080
Thereafter	73
Total lease payments	10,144
Less imputed interest	$ (1,899)
Weighted-average remaining lease term (Year)	4 years 4 months 17 days
Weighted-average discount rate	9.80%