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Note 5 - Stock-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Stock-based compensation: |  |  |  |  |  |  |  |
Cost of revenue |  | $ | 706 |  |  | $ | 1,126 |
Sales and marketing |  |  | 2,788 |  |  |  | 2,640 |
Research, development and engineering |  |  | 2,522 |  |  |  | 2,962 |
General and administrative |  |  | 4,013 |  |  |  | 4,430 |
Stock-based compensation expense |  |  | 10,029 |  |  |  | 11,158 |
Capitalized to software and patent costs |  |  | 30 |  |  |  | 63 |
Total stock-based compensation |  | $ | 10,059 |  |  | $ | 11,221 |
Share-Based Payment Arrangement, Nonvested Award, Cost [Table Text Block] |
|  | December 31, |  |  | December 31, |
|  | 2024 |  |  | 2023 |
Total unrecognized compensation costs |  | $ | 16,226 |  |  | $ | 15,370 |
Employee Service Share Based Compensation Non Vested Awards Compensation Cost Not Yet Recognized Period for Recognition [Table Text Block] |
|  | RSAs |  |  | RSUs |  |  | PRSUs |
Weighted average period (in years) |  |  | 1.01 |  |  |  | 1.33 |  |  |  | 1.32 |
Nonvested Restricted Stock Shares Activity [Table Text Block] |
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average |
|  | Number of |  |  | Grant Date |
|  | Shares |  |  | Fair Value |
Unvested balance, December 31, 2022 |  |  | 196 |  |  | $ | 32.06 |
Granted |  |  | 45 |  |  | $ | 22.10 |
Vested |  |  | (130 | ) |  | $ | 30.18 |
Forfeited |  |  | (6 | ) |  | $ | 34.89 |
Unvested balance, December 31, 2023 |  |  | 105 |  |  | $ | 29.89 |
Granted |  |  | 45 |  |  | $ | 28.37 |
Vested |  |  | (84 | ) |  | $ | 29.20 |
Forfeited |  |  | (7 | ) |  | $ | 27.57 |
Unvested balance, December 31, 2024 |  |  | 59 |  |  | $ | 29.98 |
Schedule of Fair Value of Restricted Stock Awards Vested [Table Text Block] |
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Fair value of RSAs vested |  | $ | 2,234 |  |  | $ | 3,273 |
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] |
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average |
|  | Number of |  |  | Grant Date |
|  | Units |  |  | Fair Value |
Unvested balance, December 31, 2022 |  |  | 370 |  |  | $ | 24.77 |
Granted |  |  | 298 |  |  | $ | 23.20 |
Vested |  |  | (161 | ) |  | $ | 24.46 |
Forfeited |  |  | (65 | ) |  | $ | 25.17 |
Unvested balance, December 31, 2023 |  |  | 442 |  |  | $ | 23.77 |
Granted |  |  | 228 |  |  | $ | 35.29 |
Vested |  |  | (197 | ) |  | $ | 26.86 |
Forfeited |  |  | (67 | ) |  | $ | 26.58 |
Unvested balance, December 31, 2024 |  |  | 406 |  |  | $ | 28.27 |
Schedule of Fair Value of Restricted Stock Units Vested [Table Text Block] |
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Fair value of RSU awards vested |  | $ | 5,747 |  |  | $ | 4,893 |
Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block] |
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average |
|  | Number of |  |  | Grant Date |
|  | Units |  |  | Fair Value |
Unvested balance, December 31, 2021 |  |  | — |  |  | $ | — |
Granted |  |  | 73 |  |  | $ | 31.93 |
Vested |  |  | — |  |  | $ | — |
Forfeited |  |  | (6 | ) |  | $ | 32.02 |
Unvested balance, December 31, 2022 |  |  | 67 |  |  | $ | 31.92 |
Change in units based on performance expectations |  |  | (6 | ) |  | $ | 32.02 |
Granted |  |  | 134 |  |  | $ | 27.75 |
Vested |  |  | (2 | ) |  | $ | 32.02 |
Forfeited |  |  | (1 | ) |  | $ | 32.02 |
Unvested balance, December 31, 2023 |  |  | 192 |  |  | $ | 29.01 |
Change in units based on performance expectations |  |  | 30 |  |  | $ | 22.37 |
Granted |  |  | 73 |  |  | $ | 36.77 |
Vested |  |  | (60 | ) |  | $ | 22.37 |
Forfeited |  |  | (20 | ) |  | $ | 34.17 |
Unvested balance, December 31, 2024 |  |  | 215 |  |  | $ | 32.08 |
Schedule of Fair Value of Performance Stock Units Vested [Table Text Block] |
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Fair value of PRSU awards vested |  | $ | 2,370 |  |  | $ | 54 |
Performance Restricted Stock Units (PRSU) [Member] |
Notes Tables |
Schedule of Share-Based Payment Award, Valuation Assumptions [Table Text Block] |
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Stock price |  | $ | 36.64 |  |  | $ | 22.37 |
Expected volatility |  |  | 66.3 | % |  |  | 74.7 | %
Risk-free interest rate |  |  | 4.3 | % |  |  | 4.3 | %

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