| INTANGIBLE ASSETS, NET |
INTANGIBLE ASSETS, NET Intangible assets are as follows: | | | | | | | | | | | | | (in thousands) | March 31, 2026 | | December 31, 2025 | | Definite-lived intangible assets | | | | | Customer relationships | $ | 26,074 | | | $ | 26,406 | | | Unpatented technology | 3,347 | | | 3,701 | | | Patented technology | 1,413 | | | 1,912 | | | Tradename | 1,818 | | | 1,828 | | | | | | | All other | 275 | | | 275 | | | Gross value of definite-lived intangible assets | 32,927 | | | 34,122 | | | Customer relationships amortization | (14,764) | | | (14,367) | | | Unpatented technology amortization | (1,225) | | | (1,470) | | | Patented technology amortization | (1,012) | | | (1,441) | | | Tradename amortization | (1,312) | | | (1,302) | | | | | | | All other amortization | (275) | | | (275) | | | Accumulated amortization | (18,588) | | | (18,855) | | | | | | | | | | | | | | | Total intangible assets, net | $ | 14,339 | | | $ | 15,267 | |
The following summarizes the changes in the carrying amount of intangible assets, net: | | | | | | | | | | | | | (in thousands) | March 31, 2026 | | December 31, 2025 | | Balance at beginning of period | $ | 15,267 | | | $ | 17,640 | | | | | | | | | | | Amortization expense | (737) | | | (2,947) | | | Currency translation adjustments | (191) | | | 574 | | | Balance at end of the period | $ | 14,339 | | | $ | 15,267 | |
Amortization of intangible assets is included in Cost of operations and SG&A in the Condensed Consolidated Statements of Operations.
Estimated future intangible asset amortization expense as of March 31, 2026 is as follows: | | | | | | | (in thousands) | Amortization Expense | Year ending December 31, 2026 | $ | 2,126 | | Year ending December 31, 2027 | 2,835 | | Year ending December 31, 2028 | 2,580 | | Year ending December 31, 2029 | 2,580 | | Year ending December 31, 2030 | 2,580 | | | Thereafter | 1,638 | |
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