Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Changes in Stockholders' Equity

v3.22.2.2
Consolidated Statements of Changes in Stockholders' Equity - USD ($)
Preferred Stock [Member]
Series F Preferred Stock [Member]
Preferred Stock [Member]
Series G Preferred Stock [Member]
Preferred Stock [Member]
Series H Preferred Stock [Member]
Preferred Stock [Member]
Series I preferred stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Apr. 30, 2020 $ 2,903 $ 41,093,050 $ (31,587,952) $ 9,508,001
Beginning balance, shares at Apr. 30, 2020 57 2,903,393      
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      
Conversion of preferred stock into common stock $ (107) $ (922) $ 2,011 (982)
Conversion of preferred stock into common stock, shares   (57) (106,894) (921,666) 2,010,963      
Common stock issued for cash $ 914 8,998,163 8,999,077
Common stock issued for cash, shares         914,136      
Issuance of common stock for services $ 163 1,539,201 1,539,364
Issuance of common stock for services, shares         163,076      
Issuance of common stock for prepaid services $ 8 106,242 106,250
Issuance of common stock for prepaid services, shares         8,231      
Issuance of common stock for exercise of warrants $ 483 2,499,511 2,499,994
Issuance of common stock for exercise of warrants, shares         482,894      
Stock options granted for services 194,761 194,761
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants $ 2 1,868,366 1,868,368
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants, shares         1,875      
Net loss (12,387,094) (12,387,094)
Ending balance, value at Apr. 30, 2021 $ 7,065 74,467,686 (43,975,046) 30,499,705
Ending balance, shares at Apr. 30, 2021 7,065,621      
Issuance of common stock for services $ 12 99,988 100,000
Issuance of common stock for services, shares         12,104      
Issuance of common stock for exercise of warrants $ 167 999,834 1,000,001
Issuance of common stock for exercise of warrants, shares         166,667      
Stock options granted for services 183,475 183,475
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants 1,386,512 1,386,512
Net loss (13,930,882) (13,930,882)
Issuance of common stock and warrants, net of issuance cost 1,010 3,567,480 3,568,490
Issuance of common stock and warrants, net of issuance cost, shares         1,009,741      
Issuance of common stock for prepaid services and accrued services 96 850,404 850,500
Issuance of common stock for prepaid services and accrued services, shares         95,710      
Ending balance, value at Apr. 30, 2022 $ 8,350 $ 81,555,379 $ (57,905,928) $ 23,657,801
Ending balance, shares at Apr. 30, 2022 8,349,843