| Fair Value Disclosures [Text Block] |
| 12. | FAIR VALUE MEASUREMENTS |
The Company’s fair value hierarchy for our financial assets and liabilities as of September 30, 2022 and December 31, 2021 was as follows:
| (in thousands) | | | | | | | | | | | | | | | | |
| September 30, 2022 | | Level 1 | | | Level 2 | | | Level 3 | | | Total | |
| Contingent consideration | | $ | — | | | $ | — | | | $ | 720 | | | $ | 720 | |
| Front Line Power Construction Seller Financed debt | | | — | | | | 68,501 | | | | — | | | | 68,501 | |
| Financial instrument liability - related to Syndicated debt | | | — | | | | — | | | | 844 | | | | 844 | |
| Financial instrument liability - related to Front Line Power Construction seller financed debt | | | — | | | | — | | | | 40,085 | | | | 40,085 | |
| Prepaid advance agreement | | | — | | | | 4,666 | | | | — | | | | 4,666 | |
| Warrant liabilities | | | — | | | | — | | | | 5,492 | | | | 5,492 | |
| Total liabilities | | $ | — | | | $ | 73,167 | | | $ | 47,141 | | | $ | 120,308 | |
| December 31, 2021 | | Level 1 | | | Level 2 | | | Level 3 | | | Total | |
| Contingent consideration | | $ | — | | | $ | — | | | $ | 720 | | | $ | 720 | |
| Front Line Power Construction Seller financed debt | | | — | | | | 86,183 | | | | — | | | | 86,183 | |
| Financial instrument liability | | | — | | | | — | | | | 825 | | | | 825 | |
| Total liabilities | | $ | — | | | $ | 86,183 | | | $ | 1,545 | | | $ | 87,728 | |
| (in thousands) | | Financial Instrument Liability - related to Syndicated debt | |
| Balance at December 31, 2021 | | $ | 825 | |
| Issuance of shares upon exercise and reset of instrument (instrument includes reference price of $0.40 per share at September 30, 2022) | | | (4,361 | ) |
| Fair value adjustments to Financial instrument liability | | | 4,380 | |
| Balance at September 30, 2022 | | $ | 844 | |
| (in thousands) | | Financial Instrument Liability - related to FLP seller financed debt | |
| Balance at December 31, 2021 | | $ | — | |
| Fair value of financial instrument liability at inception | | | 26,782 | |
| Fair value adjustment to Derivative liability | | | 13,303 | |
| Balance at September 30, 2022 | | $ | 40,085 | |
| (in thousands) | | Warrant Liability | |
| Balance at December 31, 2021 | | $ | — | |
| Fair value of warrant liability at inception | | | 27,625 | |
| Exercise of pre-funded warrants | | | (6,939 | ) |
| Fair value adjustment to warrant liability | | | (15,194 | ) |
| Balance at September 30, 2022 | | $ | 5,492 | |
See note 16 for more information about the Company's prepaid advance agreement. There were no transfers between Level 3 and Level 2 in the three months ended September 30, 2022 as determined at the end of the reporting period.
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