Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Schedule of Weighted-average Black-Scholes Assumptions (Details)

v3.21.2
Stockholders' Equity - Schedule of Weighted-average Black-Scholes Assumptions (Details)
12 Months Ended
Apr. 30, 2020
Equity [Abstract]  
Risk free interest rate 1.74%
Dividend yield 0.00%
Expected volatility 72.00%
Contractual term (in years) 10 years
Forfeiture rate 0.00%