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Note 17 - Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Year Ended December 31, 2024 |
(in thousands) |  | Electronic Test |  |  | Environmental Technologies |  |  | Process Technologies |  |  | Corporate & Other |  |  | Consolidated |
Revenue |  | $ | 63,878 |  |  | $ | 28,898 |  |  | $ | 37,914 |  |  | $ | - |  |  | $ | 130,690 |
Cost of revenue |  |  | 35,843 |  |  |  | 17,780 |  |  |  | 21,643 |  |  |  | - |  |  |  | 75,266 |
Other divisional costs |  |  | 19,303 |  |  |  | 9,002 |  |  |  | 11,299 |  |  |  | - |  |  |  | 39,604 |
Division operating income |  |  | 8,732 |  |  |  | 2,116 |  |  |  | 4,972 |  |  |  | - |  |  |  | 15,820 |
Acquired intangible amortization |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,545 |  |  |  | 2,545 |
Corporate expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,881 |  |  |  | 9,881 |
Operating income |  |  | 8,732 |  |  |  | 2,116 |  |  |  | 4,972 |  |  |  | (12,426 | ) |  |  | 3,394 |
Interest expense |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (846 | ) |  |  | (846 | )
Other income |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 906 |  |  |  | 906 |
Earnings before income tax expense |  | $ | 8,732 |  |  | $ | 2,116 |  |  | $ | 4,972 |  |  | $ | (12,366 | ) |  | $ | 3,454 |
Supplemental Divisional Disclosures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation |  | $ | 596 |  |  | $ | 301 |  |  | $ | 387 |  |  | $ | 115 |  |  | $ | 1,399 |
Stock-based compensation |  |  | 217 |  |  |  | 182 |  |  |  | 140 |  |  |  | 1,318 |  |  |  | 1,857 |
Capital expenditures |  |  | 347 |  |  |  | 561 |  |  |  | 176 |  |  |  | 240 |  |  |  | 1,324 |
Total assets |  |  | 75,671 |  |  |  | 21,163 |  |  |  | 50,921 |  |  |  | 4,533 |  |  |  | 152,288 |
|  | Year Ended December 31, 2023 |
(in thousands) |  | Electronic Test |  |  | Environmental Technologies |  |  | Process Technologies |  |  | Corporate & Other |  |  | Consolidated |
Revenue |  | $ | 41,016 |  |  | $ | 30,801 |  |  | $ | 51,485 |  |  | $ | - |  |  | $ | 123,302 |
Cost of revenue |  |  | 18,076 |  |  |  | 18,631 |  |  |  | 29,617 |  |  |  | - |  |  |  | 66,324 |
Other divisional costs |  |  | 12,751 |  |  |  | 9,097 |  |  |  | 12,324 |  |  |  | - |  |  |  | 34,172 |
Division operating income |  |  | 10,189 |  |  |  | 3,073 |  |  |  | 9,544 |  |  |  | - |  |  |  | 22,806 |
Acquired intangible amortization |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,094 |  |  |  | 2,094 |
Corporate expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,273 |  |  |  | 10,273 |
Operating income |  |  | 10,189 |  |  |  | 3,073 |  |  |  | 9,544 |  |  |  | (12,367 | ) |  |  | 10,439 |
Interest expense |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (679 | ) |  |  | (679 | )
Other income |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 1,288 |  |  |  | 1,288 |
Earnings before income tax expense |  | $ | 10,189 |  |  | $ | 3,073 |  |  | $ | 9,544 |  |  | $ | (11,758 | ) |  | $ | 11,048 |
Supplemental Divisional Disclosures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation |  | $ | 283 |  |  | $ | 251 |  |  | $ | 399 |  |  | $ | 89 |  |  | $ | 1,022 |
Stock-based compensation |  |  | 150 |  |  |  | 85 |  |  |  | 209 |  |  |  | 1,603 |  |  |  | 2,047 |
Capital expenditures |  |  | 599 |  |  |  | 495 |  |  |  | 170 |  |  |  | 27 |  |  |  | 1,291 |
Total assets |  |  | 32,505 |  |  |  | 16,772 |  |  |  | 56,842 |  |  |  | 28,710 |  |  |  | 134,829 |
Revenue from External Customers by Geographic Areas [Table Text Block] |
|  | Years Ended December 31, |
(in thousands) |  | 2024 |  |  | 2023 |
Revenue: |  |  |  |  |  |  |  |
U.S. |  | $ | 53,712 |  |  | $ | 45,222 |
Foreign |  |  | 76,978 |  |  |  | 78,080 |
|  | $ | 130,690 |  |  | $ | 123,302 |
Long-Lived Assets by Geographic Areas [Table Text Block] |
|  | December 31, |
(in thousands) |  | 2024 |  |  | 2023 |
Property and equipment: |  |  |  |  |  |  |  |
U.S. |  | $ | 2,280 |  |  | $ | 2,502 |
Foreign |  |  | 2,177 |  |  |  | 688 |
|  | $ | 4,457 |  |  | $ | 3,190 |

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