Quarterly report pursuant to Section 13 or 15(d)

Notes Payable & PPP Loans - Shareholder loans (Details)

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Notes Payable & PPP Loans - Shareholder loans (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Feb. 24, 2021
Mar. 23, 2020
May 31, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Jul. 15, 2021
Promissory Note                  
Notes Payable & PPP Loans                  
Promissory note signed     $ 500,000            
Debt instrument bears interest per annum     1.00%            
Interest deferment period     6 months            
Shareholder Loans                  
Notes Payable & PPP Loans                  
Proceeds from short-term loan   $ 2,000,000.0              
Consummation of minimum of equity or debt financing   $ 5,000,000.0              
Shareholder Loans | Promissory Note                  
Notes Payable & PPP Loans                  
Interest rate per month   1.00%              
Term loan, exercise outstanding options of debenture holders                  
Notes Payable & PPP Loans                  
Short-term debt                 $ 600,000
Term Loan                  
Notes Payable & PPP Loans                  
Proceeds from short-term loan               $ 1,000,000.0  
Interest rate per month 1.00%                
Maximum borrowing debt amount $ 3,000,000.0                
Minimum amount of equity $ 3,000,000.0                
Interest expense       $ 0 $ 0 $ 0 $ 100,000    
Term loan purchase of 2021 notes                  
Notes Payable & PPP Loans                  
Short-term debt                 $ 3,300,000