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v3.23.2

ENTERPRISE-WIDE DISCLOSURES (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) customer segment | Jun. 30, 2022 USD ($) | Dec. 31, 2022
Revenue disaggregated by geographic area |  |  |  |  |
Number of operating segments | segment |  |  | 1 |  |
Number of reportable segments | segment |  |  | 1 |  |
Product sales, net | $ 244 | $ 119 | $ 350 | $ 302 |
Other revenue | 12 |  | 17 | 7 |
Total revenue | $ 256 | $ 119 | $ 367 | $ 309 |
Net product sales | Customer | Two customers |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Concentration of risk (percent) | 64.00% |  |  |  |
Net product sales | Customer | Single customer |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Number of customers | customer |  |  | 1 |  |
Concentration of risk (percent) |  | 13.00% | 35.00% | 41.00% |
Accounts receivable, net | Credit | Two customers |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Number of customers | customer |  |  | 2 |  |
Concentration of risk (percent) |  |  | 91.00% |  |
Accounts receivable, net | Credit | Single customer |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Concentration of risk (percent) |  |  |  |  | 89.00%
U.S. |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Product sales, net | $ 175 | $ 63 | $ 250 | $ 63 |
Canada |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Product sales, net | $ 69 | $ 56 | $ 100 | $ 239 |

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