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Convertible Promissory Notes and Other Debt (Details) - USD ($)
1 Months Ended 12 Months Ended
Feb. 28, 2021
May 31, 2020
Dec. 31, 2021
Jul. 31, 2021
Convertible Notes Payable | Senior Convertible Notes, April 2020        
Debt Instrument [Line Items]        
Issue date fair value $ 5,700,000      
Convertible debt beneficial conversion feature     $ 9,000  
Interest expense     46,000  
Convertible Notes Payable | Senior Convertible Notes, April 2020 | Affiliated Entity        
Debt Instrument [Line Items]        
Interest expense payable to related party     $ 23,000  
Convertible Notes Payable | Senior Convertible Notes, April 2020 | Series A Preferred Stock        
Debt Instrument [Line Items]        
Shares issued as a result of converted debt (in shares) 844,824      
Convertible Notes Payable | Senior Convertible Notes, April 2020 | Series A Preferred Stock | Chief Financial Officer And Immediate Family Member        
Debt Instrument [Line Items]        
Shares issued as a result of converted debt (in shares) 430,467      
Payment Protection Program Loan        
Debt Instrument [Line Items]        
Face amount   $ 100,000    
Term   2 years    
Stated interest rate   1.00%    
Outstanding principal balance       $ 100,000