Quarterly report pursuant to Section 13 or 15(d)

Schedule of common stock warrants (Details)

v3.22.1
Schedule of common stock warrants (Details) - shares
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Series B Common Stock Warrants [Member]    
Class of Warrant or Right [Line Items]    
Outstanding balance 87,456 87,456
Issued
Exercised (87,456)
Outstanding balance 0 87,456
Series D Common Stock Warrants [Member]    
Class of Warrant or Right [Line Items]    
Outstanding balance 6,252,954 6,252,954
Issued
Exercised (2,954)
Outstanding balance 6,250,000 6,252,954
Series B and D Common Stock Warrants [Member]    
Class of Warrant or Right [Line Items]    
Outstanding balance 6,340,410 6,340,410
Issued
Exercised (90,410)
Outstanding balance 6,250,000 6,340,410
Series H Warrants [Member]    
Class of Warrant or Right [Line Items]    
Outstanding balance 689,159 689,159
Issued  
Exercised  
Outstanding balance 689,159 689,159