Quarterly report pursuant to Section 13 or 15(d)

Notes Payable & PPP Loans (Details)

v3.22.2
Notes Payable & PPP Loans (Details) - USD ($)
3 Months Ended 12 Months Ended
Jun. 10, 2022
Jun. 30, 2022
Jun. 30, 2021
Mar. 31, 2022
Jul. 15, 2021
Debt Instrument [Line Items]          
Proceeds from convertible loans   $ 500,000 $ 0    
Interest expense   $ 4,824 102,296    
Refinancing and 2021 Convertible Promissory Note Offering          
Debt Instrument [Line Items]          
Interest rate   1.00%      
Interest expense   $ 0 0    
Maturity term   360 days      
Shares issued in conversion of loans       946,194  
Refinancing and 2021 Convertible Promissory Note Offering | 2021 Offering          
Debt Instrument [Line Items]          
Maximum convertible note offering       $ 10,000,000.0  
Promissory Note signed   $ 5,000,000.0   8,300,000  
Proceeds from convertible loans       $ 5,000,000.0  
Convertible note offering   10,000,000      
Term Loan          
Debt Instrument [Line Items]          
Interest expense   0 100,000    
Term loan, Purchase of 2021 notes          
Debt Instrument [Line Items]          
Demand loans, current portion         $ 3,300,000
Short-term Debt         3,300,000
Term loan, Exercise Outstanding options of debenture holders          
Debt Instrument [Line Items]          
Demand loans, current portion         600,000
Short-term Debt         $ 600,000
Convertible Promissory Note          
Debt Instrument [Line Items]          
Proceeds from convertible loans $ 500,000        
Interest rate 1.00%        
Interest expense   $ 3,467 $ 0    
Maturity term   360 days      
Convertible Promissory Note | Remi Gaston-Dreyfus          
Debt Instrument [Line Items]          
Proceeds from convertible loans $ 200,000        
Convertible Promissory Note | Andr-Jacques Auberton-Herv          
Debt Instrument [Line Items]          
Proceeds from convertible loans 100,000        
Convertible Promissory Note | Investors          
Debt Instrument [Line Items]          
Proceeds from convertible loans $ 200,000        
Convertible Promissory Note | Shareholder Loan          
Debt Instrument [Line Items]          
Demand loans, current portion   $ 1,100,000      
Short-term Debt   1,100,000      
Convertible Promissory Note | Term loan, Purchase of 2021 notes          
Debt Instrument [Line Items]          
Demand loans, current portion   2,200,000      
Short-term Debt   2,200,000      
Convertible Promissory Note | Term loan, Exercise Outstanding options of debenture holders          
Debt Instrument [Line Items]          
Maximum convertible note offering   $ 600,000