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v3.25.2

SEGMENT AND GEOGRAPHIC INFORMATION (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) customer | Jun. 30, 2025 USD ($) segment customer | Jun. 30, 2024 USD ($) customer | Dec. 31, 2024 customer
Segment and Geographic Information |  |  |  |  |
Number of operating segments | segment |  |  | 1 |  |
Product sales, net | $ 33 | $ 171 | $ 71 | $ 295 |
Other revenue | 10 | 11 | 21 | 22 |
Total revenue | $ 43 | $ 182 | $ 92 | $ 317 |
Net product sales | Customer | Four customers |  |  |  |  |
Segment and Geographic Information |  |  |  |  |
Concentration of risk (percent) | 87.00% |  |  |  |
Net product sales | Customer | Six customer |  |  |  |  |
Segment and Geographic Information |  |  |  |  |
Number of customers | customer |  |  | 6 |  |
Concentration of risk (percent) |  |  | 94.00% |  |
Net product sales | Customer | Three customers |  |  |  |  |
Segment and Geographic Information |  |  |  |  |
Number of customers | customer |  | 3 |  |  |
Concentration of risk (percent) |  | 97.00% |  |  |
Net product sales | Customer | Two customers |  |  |  |  |
Segment and Geographic Information |  |  |  |  |
Number of customers | customer |  |  |  | 2 |
Concentration of risk (percent) |  |  |  | 88.00% |
Accounts receivable, net | Credit | Two customers |  |  |  |  |
Segment and Geographic Information |  |  |  |  |
Number of customers | customer |  |  | 2 |  | 2
Concentration of risk (percent) |  |  | 100.00% |  | 100.00%
United States |  |  |  |  |
Segment and Geographic Information |  |  |  |  |
Product sales, net | $ 7 | $ 67 | $ 26 | $ 146 |
Canada |  |  |  |  |
Segment and Geographic Information |  |  |  |  |
Product sales, net | $ 26 | $ 104 | $ 45 | $ 149 |

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