NOTES PAYABLE AND CONVERTIBLE NOTES PAYABLE (Details) - Convertible Debt (Parentheticals) - USD ($) |
12 Months Ended | |
|---|---|---|
May 31, 2021 |
May 31, 2020 |
|
| Navy Capital Debenture 1 [Member] | ||
| NOTES PAYABLE AND CONVERTIBLE NOTES PAYABLE (Details) - Convertible Debt (Parentheticals) [Line Items] | ||
| Amount | $ 4,000,000 | |
| Interest rate | 8.00% | |
| Dated | Oct. 31, 2018 | |
| Conversion rate (in Dollars per share) | $ 0.80 | |
| Discount recorded | $ 3,254,896 | |
| Discount | 1,537,034 | $ 1,084,695 |
| Accrued interest | $ 360,357 | 344,962 |
| Convertible | The U.S. Convertible Debenture 1 is convertible into units (the "Convertible Debenture Units") at a conversion price of $0.80 per Convertible Debenture Unit. Each Convertible Debenture Unit consists of (i) one share of the Company's common stock, and (ii) one-half of one warrant, with each warrant exercisable for three years to purchase a share of common stock at a price of $1.10. | |
| matures | 3 years | |
| Transferred | $ 0 | 370,057 |
| Amended | On April 15, 2021, the U.S. Convertible Debenture 1 was amended as follows: (i) the conversion price of the debenture was reduced to $0.30 per unit; and (ii) the maturity date was extended from October 31, 2021 to October 31, 2022. | |
| Extinguishment of debt loss | $ 2,038,803 | |
| Navy Capital Debenture 2 [Member] | ||
| NOTES PAYABLE AND CONVERTIBLE NOTES PAYABLE (Details) - Convertible Debt (Parentheticals) [Line Items] | ||
| Amount | $ 1,000,000 | |
| Interest rate | 8.00% | |
| Dated | Oct. 31, 2018 | |
| Conversion rate (in Dollars per share) | $ 0.80 | |
| Discount recorded | $ 813,724 | |
| Discount | 384,259 | 271,241 |
| Accrued interest | $ 90,090 | 86,240 |
| Convertible | The U.S. Convertible Debenture 2 is convertible into Convertible Debenture Units at a conversion price of $0.80 per Convertible Debenture Unit. Each Convertible Debenture Unit consists of (i) one share of the Company's common stock, and (ii) one-half of one warrant, with each warrant exercisable for three years to purchase a share of common stock at a price of $1.10. | |
| matures | 3 years | |
| Transferred | $ 0 | 92,514 |
| Amended | On April 15, 2021, the U.S. Convertible Debenture 2 was amended as follows: (i) the conversion price of the debentures was reduced to $0.30 per unit; and (ii) the maturity date was extended from October 31, 2021 to October 31, 2022. | |
| Extinguishment of debt loss | $ 509,700 | |
| Murray FA Debenture [Member] | ||
| NOTES PAYABLE AND CONVERTIBLE NOTES PAYABLE (Details) - Convertible Debt (Parentheticals) [Line Items] | ||
| Amount | $ 100,000 | |
| Interest rate | 8.00% | |
| Dated | Oct. 24, 2018 | |
| Conversion rate (in Dollars per share) | $ 0.80 | |
| Discount recorded | $ 75,415 | |
| Discount | 25,138 | 25,138 |
| Accrued interest | $ 9,009 | 8,638 |
| Convertible | The U.S. Convertible Debenture 3 is convertible into Convertible Debenture Units at a conversion price of $0.80 per Convertible Debenture Unit. Each Convertible Debenture Unit consists of (i) one share of the Company's common stock, and (ii) one-half of one warrant, with each warrant exercisable for three years to purchase a share of common stock at a price of $1.10. | |
| matures | 3 years | |
| Transferred | $ 0 | 9,117 |
| Darling Capital Debenture [Member] | ||
| NOTES PAYABLE AND CONVERTIBLE NOTES PAYABLE (Details) - Convertible Debt (Parentheticals) [Line Items] | ||
| Amount | $ 532,000 | |
| Interest rate | 8.00% | |
| Dated | Oct. 25, 2018 | |
| Conversion rate (in Dollars per share) | $ 0.80 | |
| Discount recorded | $ 416,653 | |
| Discount | 196,753 | 138,884 |
| Accrued interest | $ 47,929 | 45,942 |
| Convertible | The U.S. Convertible Debenture 4 is convertible into Convertible Debenture Units at a conversion price of $0.80 per Convertible Debenture Unit. Each Convertible Debenture Unit consists of (i) one share of the Company's common stock, and (ii) one-half of one warrant, with each warrant exercisable for three years to purchase a share of common stock at a price of $1.10. | |
| matures | 3 years | |
| Transferred | $ 0 | 48,623 |
| Amended | On April 19, 2021, the U.S. Convertible Debenture 4 was amended as follows: (i) the conversion price of the debenture was reduced to $0.30 per unit; and (ii) the maturity date was extended from October 31, 2021 to October 31, 2022. | |
| Extinguishment of debt loss | $ 271,164 | |
| Sabharwal Debenture [Member] | ||
| NOTES PAYABLE AND CONVERTIBLE NOTES PAYABLE (Details) - Convertible Debt (Parentheticals) [Line Items] | ||
| Amount | $ 150,000 | |
| Interest rate | 8.00% | |
| Dated | Oct. 26, 2018 | |
| Conversion rate (in Dollars per share) | $ 0.80 | |
| Discount recorded | $ 120,100 | |
| Discount | 40,033 | 40,033 |
| Accrued interest | $ 13,513 | 12,950 |
| Convertible | The U.S. Convertible Debenture 5 is convertible into Convertible Debenture Units at a conversion price of $0.80 per Convertible Debenture Unit. Each Convertible Debenture Unit consists of (i) one share of the Company's common stock, and (ii) one-half of one warrant, with each warrant exercisable for three years to purchase a share of common stock at a price of $1.10. | |
| matures | 3 years | |
| Transferred | $ 0 | 13,743 |
| Srinivasan Debenture 6 [Member] | ||
| NOTES PAYABLE AND CONVERTIBLE NOTES PAYABLE (Details) - Convertible Debt (Parentheticals) [Line Items] | ||
| Amount | $ 75,000 | |
| Interest rate | 8.00% | |
| Dated | Oct. 26, 2018 | |
| Conversion rate (in Dollars per share) | $ 0.80 | |
| Discount recorded | $ 60,049 | |
| Discount | 20,016 | 20,016 |
| Accrued interest | $ 6,756 | 6,475 |
| Convertible | The U.S. Convertible Debenture 6 is convertible into Convertible Debenture Units at a conversion price of $0.80 per Convertible Debenture Unit. Each Convertible Debenture Unit consists of (i) one share of the Company's common stock, and (ii) one-half of one warrant, with each warrant exercisable for three years to purchase a share of common stock at a price of $1.10 | |
| matures | 3 years | |
| Transferred | $ 0 | 6,871 |
| US Convertible Debenture 7 [Member] | ||
| NOTES PAYABLE AND CONVERTIBLE NOTES PAYABLE (Details) - Convertible Debt (Parentheticals) [Line Items] | ||
| Amount | $ 12,012,000 | |
| Interest rate | 8.00% | |
| Dated | Dec. 12, 2018 | |
| Conversion rate (in Dollars per share) | $ 0.80 | |
| Accrued interest | $ 1,076,445 | 1,025,549 |
| Convertible | The Canaccord Debentures are convertible into Convertible Debenture Units at a conversion price of $0.80 per Convertible Debenture Unit. Each Convertible Debenture Unit consists of (i) one share of the Company's common stock, and (ii) one-half of one warrant, with each warrant exercisable for three years to purchase a share of common stock at a price of $1.10. | |
| matures | 3 years | |
| Transferred | $ 212,601 | $ 984,300 |
| Amended | On March 31, 2021, the Canaccord Debentures were amended as follows: (i) the conversion price of the debentures was reduced to $0.30 per unit; (ii) the maturity date was extended from December 12, 2021 to December 12, 2022; (iii) the mandatory conversion threshold was reduced from a daily volume weighted average trading price of greater than $1.20 per share to $0.60 per share for the preceding ten consecutive trading days; and (iv) the exercise price of the warrants issuable upon conversion was reduced from $1.10 to $0.40 and the expiration of the warrants extended until March 31, 2024 | |
| Extinguishment of debt loss | $ 3,286,012 | |
| Converted | $ 25,857 | |
| Converted shares (in Shares) | 32,321 | |
| Converted, warrants (in Shares) | 16,160 | |