Note 5 - LEASES - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
LEASES
Operating lease expense	$ 345	$ 485
Short-term lease and variable lease expense	283	174
Total lease expense	628	$ 659
Lease termination gain	$ 100
Weighted average remaining lease term under operating ROU leases (in years) (Year)	6 years		5 years 8 months 12 days
Weighted average discount rate for operating lease liabilities	5.25%		5.25%