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ENTERPRISE-WIDE DISCLOSURES (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) customer | Jun. 30, 2024 USD ($) segment customer | Jun. 30, 2023 USD ($) customer | Dec. 31, 2023 customer
Revenue disaggregated by geographic area |  |  |  |  |
Product sales, net | $ 171 | $ 244 | $ 295 | $ 350 |
Other revenue | 11 | 12 | 22 | 17 |
Total revenue | $ 182 | $ 256 | $ 317 | $ 367 |
Number Of Operating Segments | segment |  |  | 1 |  |
Number Of Reportable Segments | segment |  |  | 1 |  |
Net product sales | Customer | Two customers |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Number of customers | customer |  | 2 | 2 |  |
Concentration of risk (percent) |  | 64.00% | 88.00% |  |
Net product sales | Customer | Single customer |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Number of customers | customer |  |  |  | 1 |
Concentration of risk (percent) |  |  |  | 35.00% |
Net product sales | Customer | Three customers |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Concentration of risk (percent) | 97.00% |  |  |  |
Accounts receivable, net | Credit | Single customer |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Number of customers | customer |  |  | 1 |  | 1
Concentration of risk (percent) |  |  | 100.00% |  | 83.00%
United States |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Product sales, net | $ 67 | $ 175 | $ 146 | $ 250 |
Canada |  |  |  |  |
Revenue disaggregated by geographic area |  |  |  |  |
Product sales, net | $ 104 | $ 69 | $ 149 | $ 100 |

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