Note 7 - EMPLOYEE BENEFIT PLANS - Stock Options Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2022
EMPLOYEE BENEFIT PLANS
Outstanding, beginning balance (in shares)	226
Exercised (in shares)	(109)
Canceled (in shares)	(6)
Expired (in shares)	(2)
Outstanding, ending balance (in shares)	109
Vested and expected to vest (in shares)	109
Exercisable (in shares)	94
Outstanding, weighted average exercise price, beginning balance (in dollars per share)	$ 12.78
Exercised, weighted average exercise price (in dollars per share)	9.79
Canceled, weighted average exercise price (in dollars per share)	13.35
Expired, weighted average exercise price (in dollars per share)	8.79
Outstanding, weighted average exercise price, ending balance (in dollars per share)	15.77
Vested and expected to vest, weighted average exercise price (in dollars per share)	15.77
Exercisable, weighted average exercise price (in dollars per share)	$ 15.75
Outstanding, weighted average remaining contractual (Year)	3 years 11 months 4 days
Vested and expected to vest, weighted average remaining contractual term (Year)	3 years 10 months 28 days
Exercisable, weighted average remaining contractual term (Year)	3 years 5 months 1 day
Outstanding, aggregate intrinsic value	$ 960
Vested and expected to vest, aggregate intrinsic value	955
Exercisable, aggregate intrinsic value	$ 825