Note 5 - LEASES - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
LEASES
Operating lease expense	$ 353	$ 484	$ 698	$ 969
Short-term lease and variable lease expense	274	233	557	407
Total lease expense	$ 627	$ 717	1,255	$ 1,376
Lease termination gain			$ 100
Weighted average remaining lease term under operating ROU leases (in years) (Year)	5 years 6 months		5 years 6 months		5 years 8 months 12 days
Weighted average discount rate for operating lease liabilities	4.96%		4.96%		5.25%
Operating lease ROU assets obtained (in thousands)			$ 1,137