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Note 4 - Goodwill and Long-Lived Assets (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Notes Tables |
Schedule of Goodwill [Table Text Block] |
(in thousands) |  |  |  |
Carrying amount at December 31, 2024 |  | $ | 56,324 |
Goodwill impairment |  |  | (47,951 | )
Effect of change in currency translation |  |  | 1,152 |
Carrying amount at September 30, 2025 |  | $ | 9,525 |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  | September 30, 2025 |  |  | December 31, 2024 |
(in thousands) |  |  |  |  |  | Accumulated |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |
Amortizable intangible assets: |  | Gross |  |  | Amortization |  |  | Net |  |  | Gross |  |  | Amortization |  |  | Net |
Customer relationships |  | $ | 16,318 |  |  | $ | (11,818 | ) |  | $ | 4,500 |  |  | $ | 15,603 |  |  | $ | (10,450 | ) |  | $ | 5,153 |
Technology and software development |  |  | 36,231 |  |  |  | (33,229 | ) |  |  | 3,002 |  |  |  | 35,397 |  |  |  | (30,556 | ) |  |  | 4,841 |
Trade names and patents |  |  | 7,708 |  |  |  | (7,049 | ) |  |  | 659 |  |  |  | 7,452 |  |  |  | (6,509 | ) |  |  | 943 |
Total amortizable intangible assets |  | $ | 60,257 |  |  | $ | (52,096 | ) |  | $ | 8,161 |  |  | $ | 58,452 |  |  | $ | (47,515 | ) |  | $ | 10,937 |
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  | 218 |  |  |  |  |  |  |  |  |  |  |  | 195 |
Total intangible assets |  |  |  |  |  |  |  |  |  | $ | 8,379 |  |  |  |  |  |  |  |  |  |  | $ | 11,132 |
Finite-Lived Intangible Assets Amortization Expense [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(in thousands) |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Cost of revenues |  | $ | 44 |  |  | $ | 44 |  |  | $ | 131 |  |  | $ | 131 |
Operating expense |  |  | 855 |  |  |  | 1,334 |  |  |  | 3,177 |  |  |  | 3,998 |
Total amortization of intangible assets |  | $ | 899 |  |  | $ | 1,378 |  |  | $ | 3,308 |  |  | $ | 4,129 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
(in thousands) |  |  |  |
2025 (remainder of year) |  | $ | 894 |
2026 |  |  | 2,904 |
2027 |  |  | 1,632 |
2028 |  |  | 1,385 |
2029 |  |  | 949 |
Thereafter |  |  | 397 |
Total |  | $ | 8,161 |

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