Note 8 - INCOME TAXES (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
INCOME TAXES
Increase (Decrease) in Income Taxes			$ 1,500
Income Tax Expense (Benefit), Total	$ 1,306	$ 88	$ 2,493	$ 1,044
Effective Income Tax Rate Reconciliation, Percent, Total			88.90%	9.50%
Unrecognized Tax Benefits, Ending Balance	15,200		$ 15,200		$ 14,700
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	1,900		1,900		1,900
Unrecognized tax benefits including income tax penalties and interest accrued in long term liabilities	2,400		2,400
Unrecognized tax benefits related to income tax penalties and interest accrued in long-term liabilities	600		600
Unrecognized Tax Benefits In Deferred Tax Assets	13,400		13,400
Deferred Tax Assets, Valuation Allowance, Total	51,600		51,600		51,600
Net deferred tax assets	$ 46		$ 46		$ 75