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Schedule of Changes in Level 3 Liabilities Measured at Fair Value on a Recurring Basis (Details) - Redeemable Warrants [Member]
$ in Thousands
6 Months Ended
Jun. 30, 2021
USD ($)
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]  
Balance at beginning $ 180
Fair value adjustments 29
Balance at ending $ 209