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Note 7 - Commitments and Contingencies - Information Related to Right-of-use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Jun. 30, 2025	Dec. 31, 2024
Right-of-use assets	$ 6,316		$ 6,316	$ 7,163
Current operating lease liabilities	1,519			1,355
Non-current operating lease liabilities	6,371			7,543
Total lease liabilities	7,890			$ 8,898
Cash paid for operating lease liabilities	1,617	$ 1,425
2025 (remaining 3 months)	533
2026	2,225
2027	2,302
2028	2,381
2029	2,080
Thereafter	73
Total lease payments	9,594
Less imputed interest	$ (1,704)
Weighted-average remaining lease term (Year)	4 years 1 month 17 days
Weighted-average discount rate	9.80%

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Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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