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Convertible Note Arrangement - 2028 Notes (Details) $ / shares in Units, $ in Thousands |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Feb. 13, 2023 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) shares | Nov. 15, 2022 $ / shares | Apr. 07, 2021 $ / shares
Subsequent Events |  |  |  |
Interest rate |  | 6.95% |  |
Warrants to purchase common shares | shares |  | 3,464,177 |  |
Purchase of existing notes |  | $ 51,000 |  |
Minimum liquidity balance |  | 7,500 |  |
Exercise price | $ / shares |  |  | $ 3.78 |
Share price | $ / shares |  |  |  | $ 5.22
2028 Notes |  |  |  |
Subsequent Events |  |  |  |
Purchase of existing notes |  | 36,000 |  |
Minimum liquidity balance |  | $ 2,000 |  |
Subscription agreements |  |  |  |
Subsequent Events |  |  |  |
Increased annual interest rate through the issuance of Common Shares | 11.125% |  |  |
Warrants exercisable term | 5 years |  |  |
Exercise price | $ / shares | $ 2.48 |  |  |
Subscription agreements | 2028 Notes |  |  |  |
Subsequent Events |  |  |  |
Principal amount | $ 51,000 |  |  |
Interest rate | 8.99% |  |  |
Warrants to purchase common shares | shares | 10,796,054 |  |  |
Net proceeds of note offering, after the purchase and cancellation of notes and payment of accrued and unpaid interest | $ 14,000 |  |  |
Initial conversion rate | 403.2140 |  |  |
Initial conversion price | $ / shares | $ 2.48 |  |  |
Minimum liquidity balance | $ 2,000 |  |  |
Cash fee for transaction costs (as a percent) | 4.00% |  |  |
Cash fee by issuance of Common Shares | shares | 27,500 |  |  |
Share price | $ / shares | $ 2.18 |  |  |
Additional placement agent fee by issuance of Common Shares | shares | 50,000 |  |  |
Subscription agreements | 2028 Notes | Common Shares |  |  |  |
Subsequent Events |  |  |  |
Principal amount | $ 1 |  |  |
Subscription agreements | Convertible Note |  |  |  |
Subsequent Events |  |  |  |
Interest rate | 0.0695% |  |  |
Purchase of existing notes | $ 36,000 |  |  |
Subscription agreements | In the event the Company achieves a third-party green bond designation | 2028 Notes |  |  |  |
Subsequent Events |  |  |  |
Increased annual interest rate through the issuance of Common Shares | 10.75% |  |  |
Interest rate on future cash interest payments in the event the Company achieves a third-party green bond designation | 8.75% |  |  |

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