Quarterly report pursuant to Section 13 or 15(d)

Share Based Awards - Stock compensation expense (Details)

v3.21.1
Share Based Awards - Stock compensation expense (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 31, 2021
Jan. 31, 2021
Share-based Payment Arrangement [Abstract]    
General and administrative $ 336,301 $ 525,559
Research and development 179,157 199,047
Operations 170,612 175,586
Sales and marketing 168,125 168,125
Total $ 854,195 $ 1,068,317