Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Changes in Stockholders' Equity (Unaudited)

v3.20.4
Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
Preferred Stock - Series F [Member]
Preferred Stock - Series G [Member]
Preferred Stock - Series H [Member]
Preferred Stock - Series I [Member]
Common Stock [Member]
Common Stock to be issued [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Total
Balance at Apr. 30, 2019 $ 1,986 $ 33,425,931 $ (26,275,102) $ 7,152,815
Balance, shares at Apr. 30, 2019         1,986,063        
Issuance of preferred stock and warrants for cash, net of offering cost $ 1 2,401,201 2,401,202
Issuance of preferred stock and warrants for cash, net of offering cost, shares 1,250                
Conversion of preferred stock into common stock $ 108 (108)
Conversion of preferred stock into common stock, shares (616)       108,071        
Issuance of common stock for services $ 2 24,998 25,000
Issuance of common stock for services, shares         2,153        
Issuance of common stock for accrued services $ 1 12,499 12,500
Issuance of common stock for accrued services, shares         1,068        
Stock options granted for services 52,214 52,214
Stock-based compensation in connection with restricted common stock unit grants 52,682 52,682
Cancellation of common stock $ (9) 9
Cancellation of common stock, shares         (8,500)        
Net loss (1,308,599) (1,308,599)
Balance at Jul. 31, 2019 $ 1 $ 2,088 35,969,426 (27,583,701) 8,387,814
Balance, shares at Jul. 31, 2019 634       2,088,855        
Balance at Apr. 30, 2019 $ 1,986 33,425,931 (26,275,102) 7,152,815
Balance, shares at Apr. 30, 2019         1,986,063        
Net loss                 (4,497,143)
Balance at Jan. 31, 2020 $ 2,963 38,934,916 (30,772,245) 8,165,634
Balance, shares at Jan. 31, 2020 270       2,963,547        
Balance at Jul. 31, 2019 $ 1 $ 2,088 35,969,426 (27,583,701) 8,387,814
Balance, shares at Jul. 31, 2019 634       2,088,855        
Conversion of preferred stock into common stock $ (1) $ 64   (63)
Conversion of preferred stock into common stock, shares (364)       63,860        
Issuance of common stock for services $ 200 2,019,800 2,020,000
Issuance of common stock for services, shares         200,000        
Stock options granted for services 52,213 52,213
Stock-based compensation in connection with restricted common stock unit grants $ 34 393,064 393,098
Stock-based compensation in connection with restricted common stock unit grants, shares         33,500        
Net loss (2,227,086) (2,227,086)
Balance at Oct. 31, 2019 $ 2,386 38,434,440 (29,810,787) 8,626,039
Balance, shares at Oct. 31, 2019 270       2,386,215        
Issuance of common stock for services $ 503 418,195 418,698
Issuance of common stock for services, shares         503,609        
Issuance of common stock for accrued services $ 18 14,385 14,403
Issuance of common stock for accrued services, shares         17,936        
Stock options granted for services 40,357 40,357
Stock-based compensation in connection with restricted common stock unit grants $ 56 27,539 27,595
Stock-based compensation in connection with restricted common stock unit grants, shares         55,787        
Net loss (961,458) (961,458)
Balance at Jan. 31, 2020 $ 2,963 38,934,916 (30,772,245) 8,165,634
Balance, shares at Jan. 31, 2020 270       2,963,547        
Balance at Apr. 30, 2020 $ 2,903 41,093,050 (31,587,952) 9,508,001
Balance, shares at Apr. 30, 2020   57     2,903,393        
Conversion of preferred stock into common stock $ 21 (21)
Conversion of preferred stock into common stock, shares   (57)     20,357        
Stock options granted for services 51,262 51,262
Stock-based compensation in connection with restricted common stock unit grants $ 2 20,216 20,218
Stock-based compensation in connection with restricted common stock unit grants, shares         1,875        
Net loss (957,120) (957,120)
Balance at Jul. 31, 2020 $ 2,926 41,164,507 (32,545,072) 8,622,361
Balance, shares at Jul. 31, 2020         2,925,625        
Balance at Apr. 30, 2020 $ 2,903 41,093,050 (31,587,952) 9,508,001
Balance, shares at Apr. 30, 2020   57     2,903,393        
Net loss                 (9,502,366)
Balance at Jan. 31, 2021 $ 5,870 $ 794 71,816,386 (41,090,318) 30,732,732
Balance, shares at Jan. 31, 2021         5,869,751 794,136      
Balance at Jul. 31, 2020 $ 2,926 41,164,507 (32,545,072) 8,622,361
Balance, shares at Jul. 31, 2020         2,925,625        
Issuance of common stock for services $ 147 1,442,055 1,442,202
Issuance of common stock for services, shares         147,341        
Stock options granted for services 137,650 137,650
Stock-based compensation in connection with restricted common stock unit grants 77,250 77,250
Issuance of preferred stock and warrants, net of issuance cost $ 922 5,529,082 5,530,004
Issuance of preferred stock and warrants, net of issuance cost, shares       921,666          
Issuance of preferred stock and common stock in connection with the Share Exchange Agreement $ 107 $ 581 12,640,292 12,640,980
Issuance of preferred stock and common stock in connection with the Share Exchange Agreement, shares     106,894   581,053        
Issuance of common stock for exercise of warrants $ 10 69,990 70,000
Issuance of common stock for exercise of warrants, shares         10,000        
Net loss (4,844,666) (4,844,666)
Balance at Oct. 31, 2020 $ 107 $ 922 $ 3,664 61,060,826 (37,389,738) 23,675,781
Balance, shares at Oct. 31, 2020     106,894 921,666 3,664,019        
Conversion of preferred stock into common stock $ (107) $ (922) $ 1,991 (962)
Conversion of preferred stock into common stock, shares     106,894 (921,666) 1,990,606        
Issuance of common stock for services $ 8 1,590 1,598
Issuance of common stock for services, shares         7,688        
Stock options granted for services 2,925 2,925
Stock-based compensation in connection with restricted common stock unit grants 1,145,595 1,145,595
Issuance of common stock for exercise of warrants $ 202 1,179,794 1,179,996
Issuance of common stock for exercise of warrants, shares         202,429        
Common stock to be issued for cash $ 794 8,370,373 8,371,167
Common stock to be issued for cash,shares           794,136      
Issuance of common stock for prepaid services $ 5 56,245 56,250
Issuance of common stock for prepaid services,shares         5,009        
Net loss (3,700,580) (3,700,580)
Balance at Jan. 31, 2021 $ 5,870 $ 794 $ 71,816,386 $ (41,090,318) $ 30,732,732
Balance, shares at Jan. 31, 2021         5,869,751 794,136