Note 5 - LEASES - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
LEASES
Operating lease expense	$ 375	$ 448	$ 1,073	$ 1,417
Short-term lease and variable lease expense	244	196	801	602
Total lease expense	$ 619	$ 644	1,874	$ 2,019
Lease termination gain			$ 100
Weighted average remaining lease term under operating ROU leases (in years) (Year)	5 years 7 months 6 days		5 years 7 months 6 days		5 years 8 months 12 days
Weighted average discount rate for operating lease liabilities	4.82%		4.82%		5.25%
Operating lease ROU assets obtained (in thousands)			$ 2,268