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Share-based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2025
Share-based Compensation |
Schedule of stock option activity |
|  | Number of shares |  |  | Weighted average exercise price |
Options outstanding at beginning of year |  |  | 27,289 |  |  | $ | 66.34 |
Granted |  |  | 10,667 |  |  |  | 7.35 |
Less: |  |  |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |
Forfeited prior to vesting |  |  | — |  |  |  | — |
Canceled or expired |  |  | (1,946 | ) |  |  | 192.73 |
Options outstanding at September 30, 2025 |  |  | 36,010 |  |  |  | 42.03 |
Options exercisable at end of September 30, 2025 |  |  | 22,213 |  |  | $ | 62.48 |
Schedule of share-based compensation expense |
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Cost of goods sold |  | $ | — |  |  | $ | 2 |  |  | $ | 1 |  |  | $ | 6 |
Sales and marketing |  |  | 3 |  |  |  | 2 |  |  |  | 17 |  |  |  | 9 |
Research and product development |  |  | 1 |  |  |  | 14 |  |  |  | 3 |  |  |  | 38 |
General and administrative |  |  | 18 |  |  |  | 3 |  |  |  | 45 |  |  |  | 20 |
|  | $ | 22 |  |  | $ | 21 |  |  | $ | 66 |  |  | $ | 73 |

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