Quarterly report pursuant to Section 13 or 15(d)

Debt (Tables)

v3.21.2
Debt (Tables)
 6 Months Ended
Jun. 30, 2021
Debt Disclosure [Abstract]  
Summary of Debt Obligations
The following table sets forth our various debt obligations:

June 30, 2021 December 31, 2020
Series A Note (principal amount) $ —  $ 2,481 
Series B Note (principal amount) —  3,585 
Paycheck Protection Program Loan 2,850  2,850 
Convertible notes 243  250 
Promissory notes 905  905 
Total debt $ 3,998  $ 10,071 
Debt discount - warrants (2020 Convertible Notes) —  (1,029)
Debt discount - issuance costs (2020 Convertible Notes) —  (650)
Less: current maturities of long-term debt (83) (4,435)
Less: related-party debt (195) (195)
Long-term debt $ 3,720  $ 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:
June 30, 2021 December 31, 2020
Strike price per share $ 2.25  $ 4.00 
Closing price per share $ 1.39  $ 1.26 
Term (years) 2.04 2.53
Volatility 142  % 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 June 30, Six Months Ended June 30,
2021 2020 2021 2020
2020 Convertible Notes $ 659  $ —  $ 1,111  $ — 
Accretion of debt discount - issuance costs 1,121 164 1,741  176 
Accretion of debt discount - warrants — — 1,029  — 
All other debt and financing obligations 65 296 183  385 
Total $ 1,845  $ 460  $ 4,064  $ 561