Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Schedule of Stock Option Activity (Details)

v3.19.2
Stockholders' Equity - Schedule of Stock Option Activity (Details) - $ / shares
12 Months Ended
Apr. 30, 2019
Apr. 30, 2018
Equity [Abstract]    
Number of Options Outstanding, Beginning of Period 1,531,458 231,458
Number of Options, Granted 1,300,000
Number of Options, Exercised
Number of Options, Forfeited (75,000)
Number of Options, Cancelled
Number of Options Outstanding, End of Period 1,456,458 1,531,458
Number of Options exercisable at end of period 956,458  
Number of Options expected to vest 500,000  
Weighted Average Exercise Price Outstanding, Beginning of Period $ 1.79 $ 3.60
Weighted Average Exercise Price, Granted 1.47
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Forfeited 1.48
Weighted Average Exercise Price, Cancelled
Weighted Average Exercise Price Outstanding, End of Period 1.80 $ 1.79
Weighted Average Exercise Price Options exercisable at end of period 1.98  
Weighted Average Exercise Price Options expected to vest 1.46  
Weighted Average Exercise Price Weighted average fair value of options granted during the period  
Weighted Average Remaining Contractual Life (Years), Beginning of Period 4 years 5 months 5 days 4 years 29 days
Weighted Average Remaining Contractual Life (Years), Granted   5 years
Weighted Average Remaining Contractual Life (Years), Ending of Period 3 years 3 months 15 days 4 years 5 months 5 days