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Debt (Tables)
6 Months Ended
Jun. 30, 2021
Debt Disclosure [Abstract]  
Schedule of Short-term Debt
Debt as of June 30, 2021 and December 31, 2020 consisted of the following (in thousands):
Short-Term DebtMaturityPrincipalJune 30, 2021December 31, 2020
March 2020 10% Note
3/18/2022$4,251 $4,251 5,655 
Unamortized Debt discount — — (254)
Total Short-Term Debt$4,251 $5,401