Quarterly report pursuant to Section 13 or 15(d)

Notes Payable (Narrative) (Details)

v3.22.1
Notes Payable (Narrative) (Details)
3 Months Ended
Mar. 04, 2022
USD ($)
$ / shares
shares
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Upfront fees   $ 2,634,000 $ 0
Amortization of debt discount   19,000 $ 0
Runway Debt Facility      
Long-term debt facility $ 75,000,000.0    
Amount funded upon closing 30,000,000.0    
Amount available under facility 45,000,000.0    
Upfront fees $ 400,000    
Commitment fee percentage 1.00%    
Security deposit $ 75,000    
Advisory and legal fees $ 2,300,000    
Warrants issued | shares 748,036    
Warrant exercise price (in dollars per share) | $ / shares $ 0.8021    
Warrant term 10 years    
Amortization of debt discount   $ 19,400  
Final payment as a percentage of original principal 3.50%    
Final Payment $ 1,000,000.0    
Runway Debt Facility | Warrants [Member]      
Fair value $ 400,000    
Runway Debt Facility | Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]      
Fair value of warrants assumptions 1.74    
Runway Debt Facility | Warrants [Member] | Measurement Input, Price Volatility [Member]      
Fair value of warrants assumptions 57.3    
Runway Debt Facility | Minimum      
Variable interest rate floor (as a percent) 9.25%    
Runway Debt Facility | Base Rate      
Variable interest rate floor (as a percent) 8.75%    
Runway Debt Facility | Three month LIBOR      
Variable interest rate floor (as a percent) 0.50%