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