Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

v3.20.2
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
Total
Cumulative Effect, Period of Adoption, Adjustment
Common Stock
Additional Paid-In Capital
Treasury Stock
Accumulated Deficit
Accumulated Deficit
Cumulative Effect, Period of Adoption, Adjustment
Beginning balance at Apr. 30, 2019 $ 26,461,428 $ (136,745) $ 18,666 $ 68,562,727 $ (70,000) $ (42,049,965) $ (136,745)
Beginning balance (in shares) at Apr. 30, 2019     18,665,551        
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation 498,417     498,417      
Common stock issued for cashless stock options exercised 0   $ 102 (102)      
Common stock issued for cashless stock options exercised (in shares)     101,894        
Common stock issued for stock options exercised for cash 45,190   $ 22 45,168      
Common stock issued for stock options exercised for cash (in shares)     21,876        
Common stock issued for cashless warrant exercise 0   $ 19 (19)      
Common stock issued for cashless warrant exercise (in shares)     19,403        
Amortization of warrant based cost 9,440     9,440      
Amortization of restricted stock issued for service 30,597     30,597      
Restricted Stock Issued for Services, subject to vesting 0   $ 105 (105)      
Restricted Stock Issued for Services, subject to vesting (in shares)     104,803        
Net loss (2,075,282)         (2,075,282)  
Ending balance at Jul. 31, 2019 24,833,045   $ 18,914 69,146,123 (70,000) (44,261,992)  
Ending balance (in shares) at Jul. 31, 2019     18,913,527        
Beginning balance at Apr. 30, 2020 41,747,957   $ 21,771 89,505,216 (70,000) (47,709,030)  
Beginning balance (in shares) at Apr. 30, 2020     21,770,520        
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Stock-based compensation 487,110     487,110      
Common stock issued for stock options exercised for cash 1,269,982   $ 415 1,269,567      
Common stock issued for stock options exercised for cash (in shares)     415,175        
Common stock issued for warrants exercised for cash 1,081,792   $ 192 1,081,600      
Common stock issued for warrants exercised for cash (in shares)     192,049        
Modification charge for warrants exercised 25,966     25,966      
Amortization of warrant based cost 9,125     9,125      
Net loss (943,196)         (943,196)  
Ending balance at Jul. 31, 2020 $ 43,678,736   $ 22,378 $ 92,378,584 $ (70,000) $ (48,652,226)  
Ending balance (in shares) at Jul. 31, 2020     22,377,744