Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

v3.20.1
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
Total
Common Stock
Additional Paid-In Capital
Treasury Stock
Accumulated Deficit
Beginning balance at Apr. 30, 2018 $ 33,733,591 $ 18,334 $ 66,557,005 $ (70,000) $ (32,771,748)
Beginning balance (in shares) at Apr. 30, 2018   18,333,521      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation 866,129   866,129    
Common stock issued for cashless stock options exercised 0 $ 87 (87)    
Common stock issued for cashless stock options exercised (in shares)   86,635      
Common stock issued for stock options exercised for cash 110,143 $ 49 110,094    
Common stock issued for stock options exercised for cash (in shares)   49,792      
Common stock issued for cashless warrant exercise 0 $ 36 (36)    
Common stock issued for cashless warrant exercise (in shares)   35,921      
Purchase of treasury stock, net of broker fees (7,370,000)     (7,370,000)  
Re-sale of treasury stock, net of broker fees 7,370,000     7,370,000  
Issuance costs (29,832)   (29,832)    
Relative fair value of warrants issued with debt 255,071   255,071    
Net loss (7,668,295)       (7,668,295)
Ending balance at Jan. 31, 2019 27,266,807 $ 18,506 67,758,344 (70,000) (40,440,043)
Ending balance (in shares) at Jan. 31, 2019   18,505,869      
Beginning balance at Oct. 31, 2018 28,966,797 $ 18,391 67,102,509 (70,000) (38,084,103)
Beginning balance (in shares) at Oct. 31, 2018   18,391,092      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation 350,838   350,838    
Common stock issued for cashless stock options exercised 0 $ 56 (56)    
Common stock issued for cashless stock options exercised (in shares)   55,871      
Common stock issued for stock options exercised for cash 50,041 $ 23 50,018    
Common stock issued for stock options exercised for cash (in shares)   22,985      
Common stock issued for cashless warrant exercise 0 $ 36 (36)    
Common stock issued for cashless warrant exercise (in shares)   35,921      
Relative fair value of warrants issued with debt 255,071   255,071    
Net loss (2,355,940)       (2,355,940)
Ending balance at Jan. 31, 2019 27,266,807 $ 18,506 67,758,344 (70,000) (40,440,043)
Ending balance (in shares) at Jan. 31, 2019   18,505,869      
Beginning balance at Apr. 30, 2019 26,461,428 $ 18,666 68,562,727 (70,000) (42,049,965)
Beginning balance (in shares) at Apr. 30, 2019   18,665,551      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation 1,627,304   1,627,304    
Common stock issued for cashless stock options exercised 0 $ 191 (191)    
Common stock issued for cashless stock options exercised (in shares)   190,559      
Common stock issued for stock options exercised for cash 768,381 $ 234 768,147    
Common stock issued for stock options exercised for cash (in shares)   234,233      
Common stock issued for cashless warrant exercise 0 $ 77 (77)    
Common stock issued for cashless warrant exercise (in shares)   76,929      
Amortization of warrant based cost 27,690   27,690    
Amortization of restricted stock issued for services 97,748   97,748    
Restricted Stock Issued for Services, subject to vesting 0 $ 144 (144)    
Restricted Stock Issued for Services, subject to vesting (in shares)   144,803      
Common stock issued for equity raise, net of underwriter costs of $1,222,371 $ 16,044,879 $ 2,415 16,042,464    
Common stock issued in equity raise (in shares) 2,415,000        
Issuance costs $ (51,282)        
Beneficial conversion feature on convertible debt 1,692,309   1,692,309    
Common stock short swing reclamation 5,433   5,433    
Net loss (4,994,502)       (4,994,502)
Ending balance at Jan. 31, 2020 41,679,388 $ 21,727 88,772,128 (70,000) (47,044,467)
Ending balance (in shares) at Jan. 31, 2020   21,727,075      
Beginning balance at Oct. 31, 2019 24,967,090 $ 19,142 69,781,363 (70,000) (44,763,415)
Beginning balance (in shares) at Oct. 31, 2019   19,142,316      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation 737,820   737,820    
Common stock issued for cashless stock options exercised 0 $ 9 (9)    
Common stock issued for cashless stock options exercised (in shares)   8,352      
Common stock issued for stock options exercised for cash 530,668 $ 121 530,547    
Common stock issued for stock options exercised for cash (in shares)   121,407      
Amortization of warrant based cost 9,125   9,125    
Amortization of restricted stock issued for services 24,398   24,398    
Restricted Stock Issued for Services, subject to vesting 0 $ 40 (40)    
Restricted Stock Issued for Services, subject to vesting (in shares)   40,000      
Common stock issued for equity raise, net of underwriter costs of $1,222,371 16,044,879 $ 2,415 16,042,464    
Common stock issued in equity raise (in shares)   2,415,000      
Issuance costs (51,282)   (51,282)    
Beneficial conversion feature on convertible debt 1,692,309   1,692,309    
Common stock short swing reclamation 5,433   5,433    
Net loss (2,281,052)       (2,281,052)
Ending balance at Jan. 31, 2020 $ 41,679,388 $ 21,727 $ 88,772,128 $ (70,000) $ (47,044,467)
Ending balance (in shares) at Jan. 31, 2020   21,727,075