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INCOME TAXES (Tables)
12 Months Ended
Apr. 30, 2022
Income Tax Disclosure [Abstract]  
Schedule of deferred tax assets and liabilities
          
   April 30, 
   2022   2021 
Deferred tax assets:          
Net operating loss carryforwards  $15,138,850    13,804,439 
Stock compensation   584,321    2,547,274 
Other   35,230    146,486 
Total deferred tax assets   15,758,401    16,498,199 
Valuation allowance   (15,758,401)   (16,498,199)
Net deferred tax assets  $   $ 
Schedule of provision for income taxes
          
   Years Ended April 30, 
   2022   2021 
Federal benefit at statutory rate  $(890,224)   (745,760)
State income taxes, net of Federal taxes   (362,448)   (303,631)
Permanent differences   20,508    78,258 
Provision related to change in valuation allowance   (739,798   969,241 
Expired stock options   1,976,324     
Net valuation allowance for state tax deductions        
Other, net   (4,362   1,892 
Provision for income taxes  $   $