Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) |
Preferred Stock [Member]
Series F Preferred Stock [Member]
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Preferred Stock [Member]
Series G Preferred Stock [Member]
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Preferred Stock [Member]
Series H Preferred Stock [Member]
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Preferred Stock [Member]
Series I preferred stock [Member]
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Common Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
Total |
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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 prepaid 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, 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 |
X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for restricted stock unit under share-based payment arrangement. No definition available.
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X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for option under share-based payment arrangement. No definition available.
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X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
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X | ||||||||||
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. No definition available.
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X | ||||||||||
- Definition Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. No definition available.
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X | ||||||||||
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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