Annual report pursuant to Section 13 and 15(d)

Income Tax - Schedule of Effective Tax Rate (Details)

v3.21.2
Income Tax - Schedule of Effective Tax Rate (Details) - USD ($)
12 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Income Tax Disclosure [Abstract]    
Federal income tax provision (benefit) based on statutory rate, amount $ (2,601,000) $ (1,194,000)
State income tax provision (benefit), net of federal taxes, amount
Change in effective state tax rate, amount
Change in prior year estimate, amount (43,000) (381,000)
Increase (decrease) in valuation allowance, amount 2,558,000 1,137,000
Total taxes on income (loss), amount $ (438,000)
Federal income tax expense (benefit) based on statutory rate 21.00% 21.00%
State income tax expense (benefit), net of federal taxes 0.00% 0.00%
Change in effective state tax rate 0.00% 0.00%
Change in prior year estimate (30.00%) 6.70%
Increase (decrease) in valuation allowance (2070.00%) (20.00%)
Total tax provision (benefit) on income (loss) 0.00% 7.70%