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Fair Value Measurements - Schedule of roll forward of the Company's Level 3 instruments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Fair value adjustments – warrant liability | $ 239 | $ 5,148
Level III | Liability |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at the beginning of the period | 407 | 8,895
Fair value adjustments – warrant liability | (239) | (5,148)
Fair value adjustments and settlements of liability, net – World Energy | (151) | (1,390)
Fair value adjustment of contingent consideration and settlements of liability, net – Quantum contingent consideration | 0 | (1,950)
Balance at the end of the period | $ 17 | $ 407

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- Definition Obligation to issue shares of common stock to sellers of World Energy. + References No definition available. + Details
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