ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
ACCRUED LIABILITIES
Compensation and fringe benefits	$ 13,448	$ 17,251
Accrued business acquisition consideration		12,638
Warranty reserve	2,036	2,139
Income taxes payable	182	2,483
Operating lease liabilities - current	$ 4,969	$ 5,142
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued liabilities	Accrued liabilities
Finance lease obligations - current	$ 439	$ 412
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities	Accrued liabilities
Contract liabilities	$ 1,853	$ 2,137
Contingent consideration - current		7,720
Restructuring related accruals	922
Other accrued expenses	8,443	6,566
Accrued liabilities	$ 32,292	$ 56,488