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Note 7 - Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Changes in Goodwill [Table Text Block] |
Balance - January 1, 2022 |  | $ | 21,448 |
Adjustments to preliminary amounts recorded in the fourth quarter of 2021 for contingent consideration and intangible assets related to acquisition of Acculogic (see Note 3) |  |  | 451 |
Impact of foreign currency translation adjustments |  |  | (179 | )
Balance - June 30, 2022 |  | $ | 21,720 |
Schedule of Goodwill [Table Text Block] |
|  | June 30, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Electronic Test |  | $ | 3,521 |  |  | $ | 3,055 |
Environmental Technologies |  |  | 1,817 |  |  |  | 1,817 |
Process Technologies |  |  | 16,382 |  |  |  | 16,576 |
Total goodwill |  | $ | 21,720 |  |  | $ | 21,448 |
Schedule of Indefinite-Lived Intangible Assets [Table Text Block] |
Balance - January 1, 2022 |  | $ | 8,428 |
Adjustments to preliminary amounts recorded in the fourth quarter of 2021 related to acquisition of Acculogic (see Note 3) |  |  | 20 |
Impact of foreign currency translation adjustments |  |  | (41 | )
Balance - June 30, 2022 |  | $ | 8,407 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
Balance - January 1, 2022 |  | $ | 13,206 |
Adjustments to preliminary amounts recorded in the fourth quarter of 2021 related to acquisition of Acculogic (see Note 3) |  |  | 29 |
Impact of foreign currency translation adjustments |  |  | (188 | )
Amortization |  |  | (1,547 | )
Balance - June 30, 2022 |  | $ | 11,500 |
Schedule Of Intangible Assets [Table Text Block] |
|  | June 30, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Electronic Test: |  | $ | 4,632 |  |  | $ | 5,074 |
Environmental Technologies |  |  | 862 |  |  |  | 893 |
Process Technologies |  |  | 14,413 |  |  |  | 15,667 |
Total intangible assets |  | $ | 19,907 |  |  | $ | 21,634 |
|  | June 30, 2022 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Finite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  | $ | 16,428 |  |  | $ | 7,093 |  |  | $ | 9,335 |
Technology |  |  | 2,912 |  |  |  | 788 |  |  |  | 2,124 |
Patents |  |  | 590 |  |  |  | 588 |  |  |  | 2 |
Backlog |  |  | 495 |  |  |  | 456 |  |  |  | 39 |
Software |  |  | 270 |  |  |  | 270 |  |  |  | - |
Trade name |  |  | 140 |  |  |  | 140 |  |  |  | - |
Total finite-lived intangible assets |  |  | 20,835 |  |  |  | 9,335 |  |  |  | 11,500 |
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Trademarks |  |  | 8,407 |  |  |  | - |  |  |  | 8,407 |
Total intangible assets |  | $ | 29,242 |  |  | $ | 9,335 |  |  | $ | 19,907 |
|  | December 31, 2021 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Finite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  | $ | 16,544 |  |  | $ | 6,160 |  |  | $ | 10,384 |
Technology |  |  | 2,950 |  |  |  | 569 |  |  |  | 2,381 |
Patents |  |  | 590 |  |  |  | 585 |  |  |  | 5 |
Backlog |  |  | 521 |  |  |  | 85 |  |  |  | 436 |
Software |  |  | 270 |  |  |  | 270 |  |  |  | - |
Trade name |  |  | 140 |  |  |  | 140 |  |  |  | - |
Total finite-lived intangible assets |  |  | 21,015 |  |  |  | 7,809 |  |  |  | 13,206 |
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Trademarks |  |  | 8,428 |  |  |  | - |  |  |  | 8,428 |
Total intangible assets |  | $ | 29,443 |  |  | $ | 7,809 |  |  | $ | 21,634 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
2022 (remainder) |  | $ | 1,160 |
2023 |  | $ | 2,112 |
2024 |  | $ | 1,989 |
2025 |  | $ | 1,778 |
2026 |  | $ | 1,169 |

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