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SEGMENT AND GEOGRAPHIC AREA INFORMATION (Tables) | 9 Months Ended
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Sep. 30, 2025
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information | The following tables present our results of operations by reportable segment as reconciled to consolidated net (loss) earnings before income tax (benefit) expense:
| Three Months Ended September 30, 2025
(in thousands) | Electronic Test |  | Environmental Technologies |  | Process Technologies |  | Corporate & Other |  | Consolidated
Revenue | $ | 12,099 |  |  | $ | 7,490 |  |  | $ | 6,647 |  |  | $ | — |  |  | $ | 26,236 |
Cost of revenue | 6,498 |  |  | 4,566 |  |  | 4,180 |  |  | — |  |  | 15,244 |
Other divisional costs | 4,455 |  |  | 2,144 |  |  | 2,565 |  |  | — |  |  | 9,164 |
Division operating income (loss) | 1,146 |  |  | 780 |  |  | (98) |  |  | — |  |  | 1,828 |
Acquired intangible amortization |  |  |  |  |  |  | 841 |  |  | 841 |
Restructuring costs |  |  |  |  |  |  | 116 |  |  | 116 |
Corporate expenses |  |  |  |  |  |  | 2,064 |  |  | 2,064 |
Operating (loss) income | 1,146 |  |  | 780 |  |  | (98) |  |  | (3,021) |  |  | (1,193) |
Interest expense |  |  |  |  |  |  | (95) |  |  | (95) |
Other income |  |  |  |  |  |  | 61 |  |  | 61 |
(Loss) earnings before income tax (benefit) expense | $ | 1,146 |  |  | $ | 780 |  |  | $ | (98) |  |  | $ | (3,055) |  |  | $ | (1,227) |
Supplemental Disclosures: |  |  |  |  |  |  |  |  |
Depreciation | $ | 157 |  |  | $ | 57 |  |  | $ | 59 |  |  | $ | 44 |  |  | $ | 317 |
Stock-based compensation | 99 |  |  | 41 |  |  | (1) |  |  | 215 |  |  | 354 |
Capital expenditures | 198 |  |  | 62 |  |  | 24 |  |  | 123 |  |  | 407 |
Total assets | $ | 75,397 |  |  | $ | 21,710 |  |  | $ | 49,311 |  |  | $ | 1,859 |  |  | $ | 148,277 |
| Three Months Ended September 30, 2024
(in thousands) | Electronic Test |  | Environmental Technologies |  | Process Technologies |  | Corporate & Other |  | Consolidated
Revenue | $ | 15,481 |  |  | $ | 6,734 |  |  | $ | 8,057 |  |  | $ | — |  |  | $ | 30,272 |
Cost of revenue | 7,861 |  |  | 4,035 |  |  | 4,364 |  |  | — |  |  | 16,260 |
Other divisional costs | 5,309 |  |  | 2,273 |  |  | 2,623 |  |  | — |  |  | 10,205 |
Division operating income | 2,311 |  |  | 426 |  |  | 1,070 |  |  | — |  |  | 3,807 |
Acquired intangible amortization |  |  |  |  |  |  | 944 |  |  | 944 |
Corporate expenses |  |  |  |  |  |  | 2,376 |  |  | 2,376 |
Operating income (loss) | 2,311 |  |  | 426 |  |  | 1,070 |  |  | (3,320) |  |  | 487 |
Interest expense |  |  |  |  |  |  | (219) |  |  | (219) |
Other income |  |  |  |  |  |  | 301 |  |  | 301 |
Earnings (loss) before income tax expense (benefit) | $ | 2,311 |  |  | $ | 426 |  |  | $ | 1,070 |  |  | $ | (3,238) |  |  | $ | 569 |
Supplemental Disclosures: |  |  |  |  |  |  |  |  |
Depreciation | $ | 157 |  |  | $ | 83 |  |  | $ | 93 |  |  | $ | 22 |  |  | $ | 355 |
Stock-based compensation | 56 |  |  | 48 |  |  | 53 |  |  | 380 |  |  | 537 |
Capital expenditures | 130 |  |  | 161 |  |  | 46 |  |  | 168 |  |  | 505 |
Total assets | $ | 81,592 |  |  | $ | 21,335 |  |  | $ | 53,596 |  |  | $ | 1,844 |  |  | $ | 158,367 |
| Nine Months Ended September 30, 2025
($ in thousands) | Electronic Test |  | Environmental Technologies |  | Process Technologies |  | Corporate & Other |  | Consolidated
Revenue | $ | 39,091 |  |  | $ | 20,973 |  |  | $ | 20,939 |  |  | $ | — |  |  | $ | 81,003 |
Cost of revenue | 21,229 |  |  | 13,263 |  |  | 12,490 |  |  | — |  |  | 46,982 |
Other divisional costs | 14,475 |  |  | 6,574 |  |  | 7,941 |  |  | — |  |  | 28,990 |
Division operating income | 3,387 |  |  | 1,136 |  |  | 508 |  |  | — |  |  | 5,031 |
Acquired intangible amortization |  |  |  |  |  |  | 2,504 |  |  | 2,504 |
Restructuring costs |  |  |  |  |  |  | 645 |  |  | 645 |
Corporate expenses |  |  |  |  |  |  | 6,883 |  |  | 6,883 |
Operating (loss) income | 3,387 |  |  | 1,136 |  |  | 508 |  |  | (10,032) |  |  | (5,001) |
Interest expense |  |  |  |  |  |  | (366) |  |  | (366) |
Other income |  |  |  |  |  |  | 768 |  |  | 768 |
(Loss) earnings before income tax expense | $ | 3,387 |  |  | $ | 1,136 |  |  | $ | 508 |  |  | $ | (9,630) |  |  | $ | (4,599) |
Supplemental Disclosures: |  |  |  |  |  |  |  |  |
Depreciation | $ | 463 |  |  | $ | 184 |  |  | $ | 182 |  |  | $ | 118 |  |  | $ | 947 |
Stock-based compensation | 239 |  |  | 90 |  |  | 119 |  |  | 764 |  |  | 1,212 |
Capital expenditures | 395 |  |  | 168 |  |  | 39 |  |  | 496 |  |  | 1,098 |
Total assets | $ | 75,397 |  |  | $ | 21,710 |  |  | $ | 49,311 |  |  | $ | 1,859 |  |  | $ | 148,277 |
| Nine Months Ended September 30, 2024
($ in thousands) | Electronic Test |  | Environmental Technologies |  | Process Technologies |  | Corporate & Other |  | Consolidated
Revenue | $ | 42,756 |  |  | $ | 21,835 |  |  | $ | 29,496 |  |  | $ | — |  |  | $ | 94,087 |
Cost of revenue | 22,869 |  |  | 13,584 |  |  | 16,749 |  |  | — |  |  | 53,202 |
Other divisional costs | 14,020 |  |  | 6,817 |  |  | 8,746 |  |  | — |  |  | 29,583 |
Division operating income | 5,867 |  |  | 1,434 |  |  | 4,001 |  |  | — |  |  | 11,302 |
Acquired intangible amortization |  |  |  |  |  |  | 2,436 |  |  | 2,436 |
Corporate expenses |  |  |  |  |  |  | 7,551 |  |  | 7,551 |
Operating income (loss) | 5,867 |  |  | 1,434 |  |  | 4,001 |  |  | (9,987) |  |  | 1,315 |
Interest expense |  |  |  |  |  |  | (612) |  |  | (612) |
Other income |  |  |  |  |  |  | 949 |  |  | 949 |
Earnings (loss) before income tax expense | $ | 5,867 |  |  | $ | 1,434 |  |  | $ | 4,001 |  |  | $ | (9,650) |  |  | $ | 1,652 |
Supplemental Disclosures: |  |  |  |  |  |  |  |  |
Depreciation | $ | 399 |  |  | $ | 227 |  |  | $ | 293 |  |  | $ | 65 |  |  | $ | 984 |
Stock-based compensation | 162 |  |  | 134 |  |  | 87 |  |  | 1,067 |  |  | 1,450 |
Capital expenditures | 272 |  |  | 512 |  |  | 133 |  |  | 244 |  |  | 1,161 |
Total assets | $ | 81,592 |  |  | $ | 21,335 |  |  | $ | 53,596 |  |  | $ | 1,844 |  |  | $ | 158,367 |
Schedule of Revenue by Geographic Location | The following tables provide information about our geographic areas of operation. Revenue is based on the location to which the goods are shipped.
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
(in thousands) |  | 2025 |  | 2024 |  | 2025 |  | 2024
Revenue: |  |  |  |  |  |  |  |
U.S. |  | $ | 12,357 |  |  | $ | 10,866 |  |  | $ | 37,395 |  |  | $ | 35,766 |
Foreign |  | 13,879 |  |  | 19,406 |  |  | 43,608 |  |  | 58,321 |
|  | $ | 26,236 |  |  | $ | 30,272 |  |  | $ | 81,003 |  |  | $ | 94,087 |
Schedule of Long-Lived Assets by Geographical Area |
(in thousands) |  | September 30, 2025 |  | December 31, 2024
Property and equipment: |  |  |  |
U.S. |  | $ | 2,223 |  |  | $ | 2,280 |
Foreign |  | 2,499 |  |  | 2,177 |
|  | $ | 4,722 |  |  | $ | 4,457 |

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