Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Intangible assets - other details (Details)

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Intangible assets - other details (Details) - USD ($)
 1 Months Ended 12 Months Ended
Jul. 09, 2013
Oct. 09, 2012
Dec. 31, 2012
Dec. 31, 2023
Dec. 31, 2022
Jan. 01, 2022
Intangible assets.            
Total amount paid $ 40,000          
Royalty amount received       5.00%    
Commercial sale of product       10 years    
Net sale product       1.50%    
Receipt of regulatory       $ 100,000    
Issuance to UFRF, shares of common stock   180,397   160,783 160,783  
Milestone payment       $ 500,000    
Annual license fee       1,000    
Royalties paid       0    
Number of remaining shares to be issued included in obligation to issue shares       24,746 $ 24,746 $ 24,746
Royalties paid to UFRF       $ 0    
Expiration year     10 years