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Schedule of Stock Options Activity (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Employees and Directors [Member]    
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]    
Number of Options, Outstanding at beginning of period 2,801,270 7,126,340
Weighted-Average Exercise Price Options, Outstanding at beginning of period $ 7.68 $ 11.55
Number of Options, Granted
Weighted-Average Exercise Price Options, Granted
Number of Options, Exercised (300,000) (4,300,000)
Weighted-Average Exercise Price Options, Exercised $ 0.26 $ 0.26
Number of Options, Forfeited
Weighted-Average Exercise Price Options, Forfeited $ 9.49
Number of Options, Expired (38,450) (25,070)
Weighted-Average Exercise Price Options, Expired $ 14.62 $ 41.03
Number of Options, Outstanding at end of period 2,462,820 2,801,270
Weighted-Average Exercise Price Options, Outstanding at end of period $ 7.68 $ 7.68
Number of Options, Exercisable at end of period 2,462,820 2,801,270
Weighted-Average Exercise Price Options, Exercisable at end of period $ 7.68 $ 7.68
Weighted average fair value of stock options granted
Non Employees [Member]    
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]    
Number of Options, Outstanding at beginning of period 365,000 615,000
Weighted-Average Exercise Price Options, Outstanding at beginning of period $ 5.49 $ 3.36
Number of Options, Granted
Weighted-Average Exercise Price Options, Granted
Number of Options, Exercised (250,000)
Weighted-Average Exercise Price Options, Exercised $ 0.26
Number of Options, Outstanding at end of period 365,000 365,000
Weighted-Average Exercise Price Options, Outstanding at end of period $ 5.49 $ 5.49
Number of Options, Exercisable at end of period 365,000 365,000
Weighted-Average Exercise Price Options, Exercisable at end of period $ 5.49 $ 5.49
Weighted average fair value of stock options granted
Number of Options, Forfeited or expired
Weighted-Average Exercise Price Options, Forfeited or expired