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Fair Value of Financial Instruments - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Fair value of warrants $ 61   $ 61   $ 252
Gain on fair value of warrant liabilities $ (95) $ (1,075) $ (190) $ (1,075)  
Private Placement Warrants          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Fair value price of warrants (in dollars per share) $ 0.07   $ 0.07   $ 0.29
Fair value of warrants $ 40   $ 40   $ 200
Gain on fair value of warrant liabilities $ 100   $ 200    
PIPE Subscription Warrants          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Fair value price of warrants (in dollars per share) $ 0.07   $ 0.07   $ 0.29
Fair value of warrants $ 21   $ 21   $ 100
2026 Notes | Convertible notes          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Fair value of derivative liability 1,300   1,300   $ 8,000
Gain on fair value of derivative liability $ 1,800   $ 6,700