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Loans payable (Tables) | 6 Months Ended
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Jun. 30, 2023
Debt Disclosure [Abstract] |
Components of loans payable | The following table shows the component of loans payable (in thousands):
| Interest Rate |  | June 30, |  | December 31,
|  |  | 2023 |  | 2022
SIF Loan (1) | Interest free |  | $ | 8,234 |  |  | $ | 7,293 |
TPC Loan, due 2025 | Interest free |  | $ | 239 |  |  | $ | 518 |
Total loans payable, noncurrent |  |  | $ | 8,473 |  |  | $ | 7,811 |
Loans payable, current |  |  |  |  |
Term Loan (1) | 11.00% |  | $ | 15,700 |  |  | $ | — |
TPC Loan, due 2024 | Interest free |  | $ | 210 |  |  | $ | 206 |
Financing of Directors and Officers Insurance, due 2023 | 4.24% |  | $ | — |  |  | $ | 1,449 |
Other loans payable, current, due 2023 | Interest free |  | $ | — |  |  | $ | 16 |
Total loans payable, current |  |  | $ | 15,910 |  |  | $ | 1,671 |
(1) Refer below for additional information on the repayment period.

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