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ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
ACCRUED LIABILITIES |  |
Compensation and fringe benefits | $ 12,174 | $ 13,134
Warranty reserve | 2,050 | 1,966
Income taxes payable | 1,106 | 1,472
Operating lease liabilities - current | $ 5,183 | $ 5,088
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Accrued liabilities | Accrued liabilities
Finance lease obligations - current | $ 457 | $ 448
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accrued liabilities | Accrued liabilities
Contract liabilities | $ 2,674 | $ 2,292
Restructuring related accruals | 1,145 |
Other accrued expenses | 7,639 | 5,821
Accrued liabilities | $ 32,428 | $ 30,221

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