Note 10 - Leases - Lease Costs (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Operating lease cost		$ 147	$ 71	$ 415	$ 212
Short-term lease cost		22	19	277	130
Variable costs	[1]	0	13	0	44
Total lease cost		$ 169	$ 103	$ 692	$ 386

[1] Variable lease expense consists primarily of property taxes, property insurance, and common area or other maintenance costs for the Company’s leases of office space.