ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ACCRUED EXPENSES
Salaries, wages and employee benefits	$ 7,318	$ 6,142
Federal and state tax accruals	685	2,649
Other	2,003	2,007
Total accrued expenses	$ 10,006	$ 10,798