Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Reconciliation of warrant liabilities (Details)

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Fair Value Measurements - Reconciliation of warrant liabilities (Details) - Common stock warrant [Member]
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Balance at the beginning $ 292
Gain upon re-measurement 157
Balance at the end $ 135