Quarterly report pursuant to Section 13 or 15(d)

Debt - Summary of Outstanding Debt (Details)

v3.21.1
Debt - Summary of Outstanding Debt (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Face Value [1] $ 12,817
Fair Value [1] $ 14,660
November 2019 Senior Secured Convertible Notes [Member]    
Maturity Date Sep. 30, 2021 Sep. 30, 2021
Stated Interest Rate 7.875% 7.875%
Conversion Price $ 1.60 $ 1.60
Face Value $ 956
Fair Value $ 1,270
April 2020 Senior Convertible Notes [Member]    
Maturity Date Apr. 30, 2022 Apr. 30, 2022
Stated Interest Rate 7.875% 7.875%
Conversion Price $ 5.00 $ 5.00
Face Value $ 4,111
Fair Value $ 4,600
August 2020 Senior Secured Convertible Notes [Member]    
Maturity Date Aug. 06, 2022 Aug. 06, 2022
Stated Interest Rate 7.875% 7.875%
Conversion Price $ 5.00 $ 5.00
Face Value $ 7,750
Fair Value $ 8,790
[1] As discussed below, during the three months ended March 31, 2021 all remaining convertible notes were repaid, including: the November 2019 Senior Convertible Note being repaid-in-full as of January 5, 2021; and both the April 2020 Senior Convertible Note and the August 2020 Senior Convertible Note were repaid-in-full as of March 2, 2021.