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Debt - Schedule of Aggregate Principal Amount of Debt Outstanding (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Debt Disclosure [Abstract]    
Current portion of debt $ 7,500 $ 7,500
Less: unamortized debt discount (26) (33)
Current portion of debt, net of debt discount $ 7,474 7,467
Long-term debt, net of current portion   1,875
Less: unamortized debt discount   (8)
Long-term debt, net of current portion   $ 1,867