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Shareholders' Equity (Details 2) - Employee Stock Option [Member]
12 Months Ended
Mar. 31, 2020
$ / shares
shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Number Outstanding | shares 998,000
Weighted-Average Remaining Contractual Life 2 years 4 months 24 days
Weighted-Average Exercise Price per Share | $ / shares $ 0.38
Number Exercisable | shares 433,644
Exercisable Weighted-Average Exercise Price per Share | $ / shares $ 0.39
$0.30 - $0.35 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Number Outstanding | shares 540,000
Weighted-Average Remaining Contractual Life 2 years 2 months 12 days
Weighted-Average Exercise Price per Share | $ / shares $ 0.33
Number Exercisable | shares 224,638
Exercisable Weighted-Average Exercise Price per Share | $ / shares $ 0.32
$0.38 - $0.50 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Number Outstanding | shares 411,000
Weighted-Average Remaining Contractual Life 2 years 4 months 24 days
Weighted-Average Exercise Price per Share | $ / shares $ 0.43
Number Exercisable | shares 197,239
Exercisable Weighted-Average Exercise Price per Share | $ / shares $ 0.45
$0.55 - $0.74 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Number Outstanding | shares 47,000
Weighted-Average Remaining Contractual Life 3 years 8 months 12 days
Weighted-Average Exercise Price per Share | $ / shares $ 0.60
Number Exercisable | shares 11,767
Exercisable Weighted-Average Exercise Price per Share | $ / shares $ 0.74