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Note 6 - Balance Sheet Information (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Inventory, Current [Table Text Block] |
Inventories: |  | December 31, |
(in thousands) |  | 2024 |  |  | 2023 |
Finished goods |  | $ | 5,222 |  |  | $ | 5,120 |
Work in process |  |  | 2,754 |  |  |  | 4,188 |
Raw materials |  |  | 15,269 |  |  |  | 15,408 |
Total |  | $ | 23,245 |  |  | $ | 24,716 |
Property, Plant and Equipment [Table Text Block] |
Property, Plant and Equipment: |  | December 31, |
(in thousands) |  | 2024 |  |  | 2023 |
Machinery and equipment |  | $ | 8,139 |  |  | $ | 8,154 |
Computer equipment and software |  |  | 8,923 |  |  |  | 6,493 |
Leasehold improvements |  |  | 2,565 |  |  |  | 2,417 |
Furniture and fixtures |  |  | 1,243 |  |  |  | 1,244 |
Automobiles |  |  | 56 |  |  |  | 58 |
|  |  | 20,926 |  |  |  | 18,366 |
Less: accumulated depreciation |  |  | (15,820 | ) |  |  | (14,385 | )
Property, plant and equipment, net |  | $ | 5,106 |  |  | $ | 3,981 |
Other Current Liabilities [Table Text Block] |
Other Current Liabilities: |  | December 31, |
(in thousands) |  | 2024 |  |  | 2023 |
Compensation |  | $ | 1,714 |  |  | $ | 3,929 |
Customer credits |  |  | 1,286 |  |  |  | 3,201 |
Current portion of operating lease liabilities |  |  | 1,158 |  |  |  | 1,416 |
Employee retention tax credit funds - Note 18 |  |  | 3,154 |  |  |  | - |
Professional fees |  |  | 545 |  |  |  | 499 |
Warranty costs |  |  | 318 |  |  |  | 336 |
Other |  |  | 1,234 |  |  |  | 1,240 |
Total |  | $ | 9,409 |  |  | $ | 10,621 |
Long-Lived Assets by Geographic Areas [Table Text Block] |
|  | December 31, |
(in thousands) |  | 2024 |  |  | 2023 |
United States |  | $ | 20,235 |  |  | $ | 21,558 |
Germany |  |  | 1,148 |  |  |  | 1,703 |
Rest of the world |  |  | 792 |  |  |  | 1,322 |
Total long-lived assets |  | $ | 22,175 |  |  | $ | 24,583 |

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