Note 9 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Commitments and Contingencies [Line Items]
Weighted average remaining lease term	14 years 7 months 6 days
Weighted average discount rate	6.50%
Rent expense relating to operating leases, including straight-line rent	$ 300	$ 400
Annual percentage of changes in rent	3.00%
Deferred rent outstanding	$ 4,110	3,090
Outstanding commitments
Minimum [Member]
Commitments and Contingencies [Line Items]
Operating leases initial terms	2 years
Maximum [Member]
Commitments and Contingencies [Line Items]
Operating leases initial terms	51 years