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v3.22.4

Long Term Debt - CIBC Loan Narrative (Details) |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 20, 2020 USD ($) | Oct. 31, 2022 USD ($) | Oct. 31, 2021 USD ($) | Mar. 31, 2021 USD ($) | Apr. 30, 2020 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Mar. 31, 2022 payment | Dec. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Payment of fees to lender and third parties |  |  |  |  |  | $ 53,000 | $ 41,000 |  |
Amortization of debt discount and debt issuance costs |  |  |  |  |  | 56,000 | 106,000 |  |
Medium-term Notes | CIBC Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revenue threshold for interest period extension term option |  |  | $ 5,000,000 |  |  |  |  |  |
CIBC Agreement | Medium-term Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, face amount including accordion feature | $ 32,000,000 |  |  |  |  |  |  |  |
Debt term | 5 years |  |  |  |  |  |  |  |
Interest payments term | 24 months |  | 24 months |  |  |  |  |  |
Principal and interest payments term | 36 months |  | 36 months |  |  |  |  |  |
Fee amount |  |  |  |  | $ 200,000 |  |  |  |
Gain (loss) on amendment of debt instrument |  | $ 0 |  | $ 0 | $ 0 |  |  |  |
Number of periodic payments | payment |  |  |  |  |  |  |  | 36 |
Payment of fees to lender and third parties | $ 400,000 | 100,000 |  | $ 100,000 |  |  |  |  |
Increase in loan interest rate |  |  | 0 |  |  |  |  |  |
Cash and cash equivalents trigger for revenue requirement (less than) | $ 100,000,000 |  |  |  |  | $ 20,000,000 |  |  | $ 50,000,000
Minimum percentage of revenue requirement, trailing period of revenue | 3 months |  |  |  |  |  |  |  |
Minimum percentage of revenue requirement | 80.00% |  |  |  |  |  |  |  |
Unrestricted cash requirement period | 4 months |  |  |  |  |  |  |  |
Effective interest rate |  |  |  |  |  | 9.10% |  |  |
Amortization of debt discount and debt issuance costs |  |  |  |  |  | $ 100,000 | 100,000 |  |
Interest expense |  |  |  |  |  | $ 1,100,000 | $ 800,000 |  |
CIBC Agreement | Medium-term Notes | Repaid During First Year After Third Amendment's Effective Date |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Prepayment fee equal percentage | 2.00% |  |  |  |  |  |  |  |
CIBC Agreement | Medium-term Notes | Repaid During Second Year After Third Amendment's Effective Date |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Prepayment fee equal percentage | 1.00% |  |  |  |  |  |  |  |
CIBC Agreement | Medium-term Notes | Prime Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 1.00% |  |  |  |  |  |  |  |
CIBC Agreement, Tranche A | Medium-term Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of debt | $ 17,000,000 |  |  |  |  |  |  |  |
CIBC Agreement, Tranche B | Medium-term Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Accordion feature on face amount of debt | 8,000,000 | 20,000,000 |  |  |  |  |  |  |
CIBC Agreement, Tranche C | Medium-term Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Accordion feature on face amount of debt | $ 7,000,000 | $ 10,000,000 |  |  |  |  |  |  |

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