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Share-Based Payments (Tables) | 3 Months Ended
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Mar. 31, 2026
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock-Based Compensation Costs | Stock-based compensation costs included in the condensed consolidated statements of operations are presented below:
| Three Months Ended March 31, |  |  |  |  |  |
| 2026 |  | 2025 |  |  |  |  |  |  |  |  |  |  |  |
Cost of products and services | $ | 1 |  |  | $ | 11 |  |  |  |  |  |  |  |  |  |  |  |  |
Research and development | 455 |  |  | 558 |  |  |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative | 2,550 |  |  | 2,108 |  |  |  |  |  |  |  |  |  |  |  |  |
Total | $ | 3,006 |  |  | $ | 2,677 |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Stock Option Activity | Stock option activity was as follows:
| Number of Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (Years)
Balances at December 31, 2025 | 28,153,192 |  |  | $ | 4.32 |  |  | 6.74
Granted | 418,658 |  |  | 3.63 |  |  |
Exercised | (134,234) |  |  | (2.21) |  |  |
Forfeited | (117,491) |  |  | (1.33) |  |  |
Expired | (70,843) |  |  | (34.82) |  |  |
Balances at March 31, 2026 | 28,249,282 |  |  | 4.25 |  |  | 6.30
Exercisable at March 31, 2026 | 20,368,937 |  |  | $ | 5.37 |  |  | 5.60
Share-Based Payment Arrangement, Option, Exercise Price Range | The following table summarizes additional information about stock options outstanding as of March 31, 2026:
|  |  |  | Options Outstanding |  | Options Exercisable
Range of Exercise Prices |  | Number of Options |  | Weighted Average Exercise Price |  | Weighted Average Remaining Life (Years) |  | Aggregate Intrinsic Value |  | Number of Options |  | Weighted Average Exercise Price |  | Weighted Average Remaining Life (Years) |  | Aggregate Intrinsic Value
$0.67 | — | $2.50 |  | 20,317,261 |  |  | $ | 1.48 |  |  | 7.25 |  | $ | 40,199 |  |  | 12,507,916 |  |  | $ | 1.56 |  |  | 6.72 |  | $ | 28,841 |
$2.51 | — | $3.50 |  | 129,156 |  |  | $ | 3.17 |  |  | 5.40 |  | 90 |  |  | 113,656 |  |  | $ | 3.22 |  |  | 5.14 |  | 73 |
$3.51 | — | $5.00 |  | 779,559 |  |  | $ | 4.11 |  |  | 7.52 |  | 136 |  |  | 725,559 |  |  | $ | 4.08 |  |  | 7.35 |  | 134 |
$5.01 | — | $6.50 |  | 1,792,700 |  |  | $ | 5.82 |  |  | 3.65 |  | — |  |  | 1,791,200 |  |  | $ | 5.82 |  |  | 3.64 |  | — |
$6.51 | — | $10.00 |  | 1,252,056 |  |  | $ | 8.10 |  |  | 4.14 |  | — |  |  | 1,252,056 |  |  | $ | 8.10 |  |  | 4.14 |  | — |
$10.01 | — | $34.85 |  | 3,978,550 |  |  | $ | 16.55 |  |  | 3.11 |  | — |  |  | 3,978,550 |  |  | $ | 16.55 |  |  | 3.11 |  | $ | — |
|  |  |  | 28,249,282 |  |  | $ | 4.25 |  |  | 6.30 |  | $ | 40,425 |  |  | 20,368,937 |  |  | $ | 5.37 |  |  | 5.60 |  | $ | 29,048 |
Schedule of Restricted Stock Unit Activity | RSU and PSU activity was as follows:
| Number of RSUs and PSUs |  | Weighted Average Grant Date Fair Value |  | Weighted Average Remaining Contractual Term (Years)
Balances at December 31, 2025 | 3,367,051 |  |  | $ | 1.45 |  |  | 0.70
Granted | 1,351,360 |  |  | 3.33 |  |  |
Vested | (1,777,402) |  |  | (2.58) |  |  |
Forfeited | (24,125) |  |  | (1.40) |  |  |
Balances at March 31, 2026 | 2,916,884 |  |  | $ | 1.63 |  |  | 0.64

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