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Fair Value Measurements - Roll-forward of fair values of liabilities (Details) - Convertible debt - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value, beginning balance $ 5,829,292 $ 21,842,931
Fair value adjustments (9,317) (9,877,857)
Accrued interest 46,315 660,408
Fair value, ending balance 0 5,829,292
Convertible Bridge Notes    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Issuance of convertible debt 0 25,000
Junior Convertible Notes    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Conversion of debt into equity 0 (6,291,288)
Bridge Notes to Series A Preferred Stock    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Conversion of debt into equity $ (5,866,290) $ (529,902)