ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
ACCRUED LIABILITIES
Compensation and fringe benefits	$ 11,450	$ 17,251
Accrued business acquisition consideration		12,638
Warranty reserve	2,022	2,139
Income taxes payable	3,299	2,483
Operating lease liabilities - current	$ 5,118	$ 5,142
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued liabilities	Accrued liabilities
Finance lease obligations, current	$ 420	$ 412
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities	Accrued liabilities
Contract liabilities	$ 2,202	$ 2,137
Contingent consideration - current	270	7,720
Other accrued expenses	9,366	6,566
Accrued liabilities	$ 34,147	$ 56,488