Annual report pursuant to Section 13 and 15(d)

BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details)

v3.21.2
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details)
 12 Months Ended
Jun. 14, 2021
USD ($)
Feb. 26, 2020
Dec. 23, 2019
USD ($)
Jun. 24, 2019
USD ($)
Feb. 04, 2019
USD ($)
Jan. 29, 2019
USD ($)
Oct. 31, 2018
USD ($)
Jun. 27, 2018
USD ($)
Feb. 28, 2018
USD ($)
shares
Dec. 04, 2017
USD ($)
Apr. 29, 2015
shares
Dec. 10, 2014
shares
Nov. 12, 2014
shares
May 31, 2021
USD ($)
May 31, 2020
USD ($)
Mar. 11, 2019
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Stockholders' Equity Note, Stock Split, Conversion Ratio                       0.625        
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions                 10.00%              
Proceeds from Collection of Notes Receivable                           $ 1,544,291 $ 1,682,278  
Asset Impairment Charges                           2,498,706 0  
Financing Receivable, after Allowance for Credit Loss, Current             $ 5,000,000             0    
Interest Receivable, Current                           0 3,322  
Payments to Acquire Notes Receivable                           0 175,000  
Subsequent Event [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable $ 2,000,000                              
Financing Receivable, after Allowance for Credit Loss, Current 3,000,000                              
Financing Receivable, after Allowance for Credit Loss 3,000,000                              
Due and Payable on or Before June 21, 2021 [Member] | Subsequent Event [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable 500,000                              
Due and Payable on or Before July 12, 2021 [Member] | Subsequent Event [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable 500,000                              
Due and Payable in 12 Monthly Installments [Member] | Subsequent Event [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable 2,000,000                              
Reverse Merger with CLS Labs [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Stock Issued During Period, Shares, New Issues (in Shares) | shares                     15,000,000          
Oasis Acquisition [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Payments to Acquire Businesses, Gross                 $ 6,200,000              
Liabilities Assumed                 $ 204,457              
Oasis Acquisition [Member] | Deposit [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Payments to Acquire Businesses, Gross                   $ 250,000            
Oasis Acquisition [Member] | Additional Payments [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Payments to Acquire Businesses, Gross                   $ 1,800,000            
Oasis LLCs [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares) | shares                 22,058,823              
In Good Health [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Payments to Acquire Businesses, Gross             35,000,000                  
Business Combination, Consideration Transferred             47,500,000                  
Business Combination, Consideration Transferred, Liabilities Incurred             7,500,000                  
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned             5,000,000                  
Business Combination, Contingent Consideration, Liability             $ 2,500,000                  
Interest Rate, Default             15.00%                  
Proceeds from Collection of Notes Receivable                           1,696,765 $ 1,425,000  
Asset Impairment Charges                           2,498,706    
CannAssist LLC [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Equity Method Investment, Ownership Percentage                               80.00%
Debt Instrument, Face Amount           $ 500,000                    
Interest Rate, Default   15.00%                            
Proceeds from Collection of Notes Receivable     $ 342,567                          
Line of Credit Facility, Description           Any draws on the line of credit in excess of $150,000 will only be made in the sole discretion of the Company                    
Debt Instrument, Interest Rate, Stated Percentage           8.00%                    
Payments to Acquire Notes Receivable       $ 175,000 $ 150,000                      
Financing Receivable, after Allowance for Credit Loss                           0    
CLS Labs, Inc. [Member] | Shares of CLS Holdings USA, Inc. [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Subsidiary or Equity Method Investee, Cumulative Number of Shares Issued for All Transactions (in Shares) | shares                       6,250,000 10,000,000      
Equity Method Investment, Ownership Percentage                         55.60%      
Oasis LLCs [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Debt Instrument, Face Amount                 $ 4,000,000              
Oasis LLCs [Member] | Oasis Acquisition [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners               90.00%                
Oasis LLCs [Member] | Oasis LLCs [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Payments to Acquire Businesses, Gross               $ 5,995,543                
Notes Receivable [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable                           1,696,765    
Asset Impairment Charges                           2,498,706    
Notes Receivable [Member] | Subsequent Event [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Financing Receivable, after Allowance for Credit Loss, Current 3,000,000                              
Notes Receivable [Member] | Principal [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable                           2,901,569    
Asset Impairment Charges                           2,497,884    
Notes Receivable [Member] | Accrued Interest [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable                           220,196    
Asset Impairment Charges                           $ 822    
Notes Receivable [Member] | Due and Payable on or Before June 21, 2021 [Member] | Subsequent Event [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable 500,000                              
Notes Receivable [Member] | Due and Payable on or Before July 12, 2021 [Member] | Subsequent Event [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable 500,000                              
Notes Receivable [Member] | Due and Payable in 12 Monthly Installments [Member] | Subsequent Event [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable 2,000,000                              
Principal [Member] | Due and Payable on or Before July 12, 2021 [Member] | Subsequent Event [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable $ 500,000                              
Principal [Member] | CannAssist LLC [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable     325,000                          
Accrued Interest [Member] | CannAssist LLC [Member]                                
BUSINESS ORGANIZATION AND NATURE OF OPERATIONS (Details) [Line Items]                                
Proceeds from Collection of Notes Receivable     $ 17,567