Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited)

v3.22.2.2
Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - 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, 2021 $ 7,065 $ 74,467,686 $ (43,975,046) $ 30,499,705
Beginning balance, shares at Apr. 30, 2021 7,065,621      
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants 232,443 232,443
Net loss (3,549,715) (3,549,715)
Issuance of common stock for services $ 25 258,475 258,500
Issuance of common stock for services, shares         25,000      
Ending balance, value at Jul. 31, 2021 $ 7,090 74,958,604 (47,524,761) 27,440,933
Ending balance, shares at Jul. 31, 2021 7,090,621      
Beginning balance, value at Apr. 30, 2021 $ 7,065 74,467,686 (43,975,046) 30,499,705
Beginning balance, shares at Apr. 30, 2021 7,065,621      
Net loss               (7,843,025)
Ending balance, value at Oct. 31, 2021 $ 7,097 75,195,628 (51,818,071) 23,384,654
Ending balance, shares at Oct. 31, 2021   7,096,723      
Beginning balance, value at Jul. 31, 2021 $ 7,090 74,958,604 (47,524,761) 27,440,933
Beginning balance, shares at Jul. 31, 2021 7,090,621      
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants 184,531 184,531
Net loss (4,293,310) (4,293,310)
Issuance of common stock for services $ 6 47,494 47,500
Issuance of common stock for services, shares         5,647      
Issuance of common stock for accrued services $ 1 4,999 5,000
Issuance of common stock for accrued services, shares         455      
Ending balance, value at Oct. 31, 2021 $ 7,097 75,195,628 (51,818,071) 23,384,654
Ending balance, shares at Oct. 31, 2021   7,096,723      
Beginning balance, value at Apr. 30, 2022 $ 8,350 81,555,379 (57,905,928) 23,657,801
Beginning balance, shares at Apr. 30, 2022 8,349,843      
Stock-based compensation in connection with stock option grants 7,402 7,402
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants 184,531 184,531
Net loss (1,945,358) (1,945,358)
Ending balance, value at Jul. 31, 2022 $ 8,350 81,747,312 (59,851,286) 21,904,376
Ending balance, shares at Jul. 31, 2022 8,349,843      
Beginning balance, value at Apr. 30, 2022 $ 8,350 81,555,379 (57,905,928) 23,657,801
Beginning balance, shares at Apr. 30, 2022 8,349,843      
Net loss               (3,841,930)
Ending balance, value at Oct. 31, 2022 $ 8,350 81,939,246 (61,747,858) 20,199,738
Ending balance, shares at Oct. 31, 2022   8,349,843      
Beginning balance, value at Jul. 31, 2022 $ 8,350 81,747,312 (59,851,286) 21,904,376
Beginning balance, shares at Jul. 31, 2022 8,349,843      
Stock-based compensation in connection with stock option grants 7,402 7,402
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants 184,532 184,532
Net loss (1,896,572) (1,896,572)
Ending balance, value at Oct. 31, 2022 $ 8,350 $ 81,939,246 $ (61,747,858) $ 20,199,738
Ending balance, shares at Oct. 31, 2022   8,349,843