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SEGMENT AND GEOGRAPHIC INFORMATION - Depreciation and amortization costs (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Depreciation and amortization costs |  |  |  |
Total depreciation from continuing operations | $ 123 | $ 143 | $ 366 | $ 449
Total amortization from continuing operations | 111 | 106 | 328 | 313
Cost of goods sold |  |  |  |
Depreciation and amortization costs |  |  |  |
Total depreciation from continuing operations | 123 | 123 | 366 | 388
Total amortization from continuing operations | 2 | 3 | 8 | 8
Sales, general, and administration |  |  |  |
Depreciation and amortization costs |  |  |  |
Total depreciation from continuing operations |  | 20 |  | 61
Research and development |  |  |  |
Depreciation and amortization costs |  |  |  |
Total amortization from continuing operations | $ 109 | $ 103 | $ 320 | $ 305

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- Definition The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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