CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) |
Issued to Officers [Member]
Common Stock [Member]
|
Issued to Officers [Member]
Additional Paid-in Capital [Member]
|
Issued to Officers [Member]
Stock Payable [Member]
|
Issued to Officers [Member] |
To Be Issued to Officers [Member]
Stock Payable [Member]
|
To Be Issued to Officers [Member] |
Stock Issued for Settlement [Member]
Common Stock [Member]
|
Stock Issued for Settlement [Member]
Additional Paid-in Capital [Member]
|
Stock Issued for Settlement [Member] |
Stock To Be Issued [Member]
Stock Payable [Member]
|
Stock To Be Issued [Member] |
Oasis Acquisition [Member]
Common Stock [Member]
|
Oasis Acquisition [Member]
Additional Paid-in Capital [Member]
|
Oasis Acquisition [Member] |
Issued to Officers [Member]
Common Stock [Member]
|
Issued to Officers [Member]
Additional Paid-in Capital [Member]
|
Issued to Officers [Member]
Stock Payable [Member]
|
Common Stock [Member]
Cashless Exercise Of Warrants [Member]
|
Common Stock [Member] |
Additional Paid-in Capital [Member]
Special Warrants Issued for Cash [Member]
|
Additional Paid-in Capital [Member]
Cashless Exercise Of Warrants [Member]
|
Additional Paid-in Capital [Member]
Warrant Issued Due to Penalty [Member]
|
Additional Paid-in Capital [Member]
Warrants issued to Placement Agent [Member]
|
Additional Paid-in Capital [Member]
Special Warrant Issued Due to Penalty [Member]
|
Additional Paid-in Capital [Member] |
Stock Payable [Member] |
Retained Earnings [Member] |
Special Warrants Issued for Cash [Member] |
Warrant Issued Due to Penalty [Member] |
Warrants issued to Placement Agent [Member] |
Special Warrant Issued Due to Penalty [Member] |
Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance at May. 31, 2018 | $ 5,013 | $ 17,628,717 | $ 307,584 | $ (18,569,094) | $ (627,780) | |||||||||||||||||||||||||||
| Balance (in Shares) at May. 31, 2018 | 50,128,972 | |||||||||||||||||||||||||||||||
| Common stock issued for conversion of debt | $ 370 | 1,295,320 | 1,295,690 | |||||||||||||||||||||||||||||
| Common stock issued for conversion of debt, Shares (in Shares) | 3,697,511 | |||||||||||||||||||||||||||||||
| Common stock issued in connection with Oasis acquisition | $ 2,206 | $ 15,438,970 | $ 15,441,176 | |||||||||||||||||||||||||||||
| Common stock issued in connection with Oasis acquisition (in Shares) | 22,058,823 | |||||||||||||||||||||||||||||||
| Stock issued for services | $ 73 | 515,240 | (25,313) | 490,000 | ||||||||||||||||||||||||||||
| Stock issued for services, Shares (in Shares) | 731,250 | |||||||||||||||||||||||||||||||
| Common stock issued | $ 60 | $ 263,940 | $ (213,320) | $ 50,680 | $ 277,833 | $ 277,833 | $ 5 | $ 47,495 | $ 47,500 | $ 1,438 | 5,748,562 | 5,750,000 | ||||||||||||||||||||
| Common stock issued (in Shares) | 600,000 | 50,000 | 14,375,000 | |||||||||||||||||||||||||||||
| Warrants issued | $ 9,785,978 | $ 941,972 | $ 1,413,300 | $ 7,142,550 | 2,369,830 | $ 9,785,978 | $ 941,972 | $ 1,413,300 | $ 7,142,550 | 2,369,830 | ||||||||||||||||||||||
| Common stock issued for exercise of special warrants | $ 3,347 | (3,347) | ||||||||||||||||||||||||||||||
| Common stock issued for exercise of special warrants (in Shares) | 33,463,838 | |||||||||||||||||||||||||||||||
| Units issued as compensation for offering | $ 56 | 557,279 | 557,335 | |||||||||||||||||||||||||||||
| Units issued as compensation for offering (in Shares) | 559,750 | |||||||||||||||||||||||||||||||
| Cashless exercise of warrant | $ 13 | $ 2 | $ (13) | (2) | ||||||||||||||||||||||||||||
| Cashless exercise of warrant (in Shares) | 129,412 | 19,551 | ||||||||||||||||||||||||||||||
| Foreign currency transaction loss on equity offering | 403,588 | 403,588 | ||||||||||||||||||||||||||||||
| Discount on notes payable and accrued interest | 9,039,096 | 9,039,096 | ||||||||||||||||||||||||||||||
| Reclasification of deritivate upon adoption of ASU 2017-11 | Accounting Standards Update 2017-11 [Member] | 1,265,751 | 1,265,751 | ||||||||||||||||||||||||||||||
| Reclasification of deritivate upon adoption of ASU 2017-11 | 1,265,751 | |||||||||||||||||||||||||||||||
| Imputed interest | 807 | 807 | ||||||||||||||||||||||||||||||
| Derivative valuation of reset event | 35,883 | 35,883 | ||||||||||||||||||||||||||||||
| Net loss | (24,187,649) | (24,187,649) | ||||||||||||||||||||||||||||||
| Balance at Feb. 28, 2019 | $ 12,583 | 73,890,916 | 346,784 | (42,756,743) | 31,493,540 | |||||||||||||||||||||||||||
| Balance (in Shares) at Feb. 28, 2019 | 125,814,107 | |||||||||||||||||||||||||||||||
| Balance at May. 31, 2019 | $ 12,585 | 70,758,025 | 455,095 | (46,188,151) | 25,037,554 | |||||||||||||||||||||||||||
| Balance (in Shares) at May. 31, 2019 | 125,839,095 | |||||||||||||||||||||||||||||||
| Common stock issued for conversion of debt | $ 3 | 25,854 | 25,857 | |||||||||||||||||||||||||||||
| Common stock issued for conversion of debt, Shares (in Shares) | 32,319 | |||||||||||||||||||||||||||||||
| Stock issued for services | $ 45,000 | $ 45,000 | $ 10 | 22,490 | (22,500) | $ 22,500 | ||||||||||||||||||||||||||
| Stock issued for services, Shares (in Shares) | 200,000 | 100,000 | 100,000 | |||||||||||||||||||||||||||||
| Common stock issued | $ 55 | $ 390,445 | $ (390,500) | 124,582 | $ 124,582 | |||||||||||||||||||||||||||
| Common stock issued (in Shares) | 550,000 | |||||||||||||||||||||||||||||||
| Warrants issued | 874,457 | |||||||||||||||||||||||||||||||
| Reclasification of deritivate upon adoption of ASU 2017-11 | 0 | |||||||||||||||||||||||||||||||
| Net loss | (3,910,473) | (3,910,473) | ||||||||||||||||||||||||||||||
| Balance at Feb. 29, 2020 | $ 12,653 | $ 71,196,814 | $ 211,677 | $ (50,098,624) | $ 21,322,520 | |||||||||||||||||||||||||||
| Balance (in Shares) at Feb. 29, 2020 | 126,521,414 |