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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% |  |

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