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v3.22.2.2

CONSOLIDATED STATEMENTS OF SHAREHOLDERS` EQUITY - USD ($) | Series A Preferred Stock [Member] 5% Convertible Preferred Stock [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balances at May. 31, 2020 | $ 25,714 | $ 939,205 | $ 36,388,056 | $ (39,841) | $ (23,100,081) | $ 14,213,053
Balances (in Shares) at May. 31, 2020 | 321,429 | 11,740,089 |  |  |  |
Exercise of stock options |  | $ 6,940 | 95,315 |  |  | 102,255
Exercise of stock options (in Shares) |  | 86,750 |  |  |  |
Net proceeds from ATM |  | $ 12,712 | 998,763 |  |  | 1,011,475
Net proceeds from ATM (in Shares) |  | 158,889 |  |  |  |
Foreign currency translation |  |  |  | (8,115) |  | (8,115)
Conversion of preferred to common stock | $ (25,714) | $ 25,714 |  |  |  |
Conversion of preferred to common stock (in Shares) | (321,429) | 321,429 |  |  |  |
Compensation expense in connection with options granted |  |  | 1,354,609 |  |  | 1,354,609
Net loss |  |  |  |  | (7,446,254) | (7,446,254)
Balances at May. 31, 2021 |  | $ 984,571 | 38,836,743 | (47,956) | (30,546,335) | 9,227,023
Balances (in Shares) at May. 31, 2021 |  | 12,307,157 |  |  |  |
Exercise of stock options |  | $ 3,160 | 74,200 |  |  | 77,360
Exercise of stock options (in Shares) |  | 39,500 |  |  |  |
Net proceeds from ATM |  | $ 41,701 | 2,275,459 |  |  | 2,317,160
Net proceeds from ATM (in Shares) |  | 521,267 |  |  |  |
Foreign currency translation |  |  |  | (25,980) |  | (25,980)
Compensation expense in connection with options granted |  |  | 1,260,195 |  |  | 1,260,195
Net loss |  |  |  |  | (4,531,044) | (4,531,044)
Balances at May. 31, 2022 |  | $ 1,029,432 | $ 42,446,597 | $ (73,936) | $ (35,077,379) | $ 8,324,714
Balances (in Shares) at May. 31, 2022 |  | 12,867,924 |  |  |  |

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