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Secured Note Payable (Tables)
3 Months Ended
Mar. 31, 2021
Debt Disclosure [Abstract]  
Schedule of Future Debt Principal Maturities

As of March 31, 2021, future principal maturities are as follows (in thousands):

 

Fiscal Years      
2021 (excluding the three months ended March 31, 2021)   $ 168  
2022     269  
2023     95  
Total   $ 532