Quarterly report pursuant to Section 13 or 15(d)

Debt (Tables)

v3.21.1
Debt (Tables)
 3 Months Ended
Mar. 31, 2021
Debt Disclosure [Abstract]  
Summary of Debt Obligations
The following table sets forth our various debt obligations:

March 31, 2021 December 31, 2020
Series A Note (principal amount) $ —  $ 2,481 
Series B Note (principal amount) 11,071  3,585 
Paycheck Protection Program Loan 2,850  2,850 
Convertible notes 250  250 
Promissory notes 905  905 
Total debt $ 15,076  $ 10,071 
Debt discount - warrants (2020 Convertible Notes) —  (1,029)
Debt discount - issuance costs (2020 Convertible Notes) (1,128) (650)
Less: current maturities of long-term debt (10,012) (4,435)
Less: related-party debt (195) (195)
Long-term debt $ 3,741  $ 3,762 
Summary of Calculated Aggregate Fair Values and Assumptions The following table sets forth the assumptions used to calculate the fair value of our warrant liability at the respective dates:
March 31, 2021 December 31, 2020
Strike price per share $ 2.25  $ 4.00 
Closing price per share $ 1.65  $ 1.26 
Term (years) 2.28 2.53
Volatility 150  % 146  %
Risk-free rate 0.17  % 0.17  %
Dividend Yield — —
Summary of Interest Expense
The following table sets forth interest expense for our various debt obligations included on the condensed consolidated statements of operations:
Three Months Ended March 31,
2021 2020
2020 Convertible Notes $ 452  $ — 
Accretion of debt discount - issuance costs 620 13
Accretion of debt discount - warrants 1,029 —
All other debt and financing obligations 118 88
Total $ 2,219  $ 101