Note 6 - Leases - Lease Cost (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating lease expense		$ 1,790	$ 1,577	$ 1,534
Short-term lease and variable lease expense (1)	[1]	730	1,049	923
Total lease expense		$ 2,520	$ 2,626	$ 2,457
Weighted average remaining lease term under operating leases (in years) (Year)		3 years 2 months 12 days	3 years 3 months 18 days
Weighted average discount rate for operating lease liabilities		6.20%	6.00%

[1] Leases with an initial term of 12 months or less are not recorded on the Consolidated Balance Sheets, and the Company recognizes lease expense for these leases on a straight-line basis over the lease term. Variable lease expense for the periods presented primarily included common area maintenance charges.