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Schedule of Stock Option Activity (Details) - $ / shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Option Indexed to Issuer's Equity [Line Items]    
Number of shares, Balance at end of the period (in shares) 4,551,205  
Weighted average exercise price, Balance at end of the period (in dollars per share) $ 2.82  
Number of shares, Options exercisable (in shares) 2,799,979  
Weighted average exercise price, Options exercisable (in dollars per share) $ 3.84  
Share-based Payment Arrangement, Option [Member]    
Option Indexed to Issuer's Equity [Line Items]    
Number of shares, Balance at beginning of the period (in shares) 3,564,458  
Weighted average exercise price, Balance at beginning of the period (in dollars per share) $ 3.36  
Number of shares, Options granted (in shares) 1,105,500  
Weighted average exercise price, Options granted (in dollars per share) $ 1.23  
Number of shares, Options exercised (in shares) (4,584) 0
Weighted average exercise price, Options exercised (in dollars per share) $ 1.46  
Number of shares, Options forfeited (in shares)  
Weighted average exercise price, Options forfeited (in dollars per share)  
Number of shares, Options cancelled (in shares) (114,169)  
Weighted average exercise price, Options cancelled (in dollars per share) $ 4.51  
Number of shares, Balance at end of the period (in shares) 4,551,205 3,564,458
Weighted average exercise price, Balance at end of the period (in dollars per share) $ 2.82 $ 3.36
Number of shares, Options exercisable (in shares) 2,799,979  
Weighted average exercise price, Options exercisable (in dollars per share) $ 3.84