Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY

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CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
Oasis Acquisition [Member]
Common Stock [Member]
Oasis Acquisition [Member]
Additional Paid-in Capital [Member]
Oasis Acquisition [Member]
Common Stock [Member]
Debt Exchange [Member]
Common Stock [Member]
Commitment Fees [Member]
Common Stock [Member]
Issued to Officers [Member]
Common Stock [Member]
Common stock issued for exercise of special warrants [Member]
Common Stock [Member]
Cashless Exercise Of Warrants [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Debt Exchange [Member]
Additional Paid-in Capital [Member]
Commitment Fees [Member]
Additional Paid-in Capital [Member]
Issued to Officers [Member]
Additional Paid-in Capital [Member]
Common stock issued for exercise of special warrants [Member]
Additional Paid-in Capital [Member]
Warrant Issued with Debt [Member]
Additional Paid-in Capital [Member]
Placement Agent Warrant [Member]
Additional Paid-in Capital [Member]
Warrant issued to Consultants [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 as Compensation for Offering [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]
Account Payable [Member]
Additional Paid-in Capital [Member]
Stock Payable [Member]
Issued to Officers [Member]
Stock Payable [Member]
To Be Issued to Officers [Member]
Stock Payable [Member]
Retained Earnings [Member]
Debt Exchange [Member]
Commitment Fees [Member]
Issued to Officers [Member]
To Be Issued to Officers [Member]
Warrant Issued with Debt [Member]
Placement Agent Warrant [Member]
Warrant issued to Consultants [Member]
Special Warrants Issued for Cash [Member]
Warrant Issued Due to Penalty [Member]
Warrants Issued as Compensation for Offering [Member]
Warrants issued to Placement Agent [Member]
Special Warrant Issued Due to Penalty [Member]
Account Payable [Member]
Total
Balance at May. 31, 2017                 $ 3,286                             $ 7,032,836     $ 68,950 $ (8,991,610)                           $ (1,886,538)
Balance (in Shares) at May. 31, 2017                 32,852,944                                                                  
Stock issued for services                 $ 37                             264,283     25,313                             289,633
Stock issued for services, Shares (in Shares)                 374,000                                                                  
Common stock issued       $ 600 $ 25         $ 2,353,437 $ 94,975                           $ 213,321       $ 2,354,037 $ 95,000 $ 213,321                      
Common stock issued (in Shares)       6,000,000 250,000                                                                          
Common stock issued                 $ 547                             1,460,368                                   1,460,915
Common stock issued, Shares (in Shares)                 5,473,000                                                                  
Common stock issued for conversion of debt                 $ 518                             1,617,928                                   1,618,446
Common stock issued for conversion of debt, Shares (in Shares)                 5,179,028                                                                  
Common stock issued in connection with Oasis acquisition                                                                                   0
Warrants issued                           $ 1,804,470 $ 503,655 $ 294,173                                 $ 1,804,470 $ 503,655 $ 294,173              
Discount on notes payable and accrued interest                                               1,758,741                                   1,758,741
Reclasification of deritivate upon adoption of ASU 2017-11                                                                                   0
Imputed interest                                               1,076                                   1,076
Net loss                                                       (9,577,484)                           (9,577,484)
Settlement of derivative liability                                             $ 442,775                                   $ 442,775 442,775
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                                                                  
Stock issued for services                 $ 73                             515,240     (25,313)                             490,000
Stock issued for services, Shares (in Shares)                 731,250                                                                  
Common stock issued           $ 62 $ 3,347   $ 5     $ 281,438 $ (3,347)                     47,495 $ (230,820) $ 403,644         $ 50,680 $ 403,644                   47,500
Common stock issued (in Shares)           625,000 33,463,838   50,000                                                                  
Foreign currency transaction loss on equity offering                                               403,588                                   403,588
Common stock issued                 $ 1,438                             5,748,562                                   5,750,000
Common stock issued, Shares (in Shares)                 14,375,000                                                                  
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                                                                             25,313
Common stock issued in connection with Oasis acquisition (in Shares) 22,058,823                                                                                  
Warrants issued                                 $ 9,785,978   $ 941,972 $ 2,369,830 $ 1,413,300 $ 7,142,550                           $ 9,785,978 $ 941,972 $ 2,369,830 $ 1,413,300 $ 7,142,550    
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               $ 15                   $ (15)                                                
Cashless exercise of warrant (in Shares)               148,951                                                                    
Discount on notes payable and accrued interest                                               5,888,707                                   5,888,707
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
Derivative valuation of reset event                                               35,883                                   35,883
Imputed interest                                               807                                   807
Net loss                                                       (27,619,057)                           (27,619,057)
Settlement of derivative liability                                                                                   1,265,751
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