Quarterly report pursuant to Section 13 or 15(d)

Nature of Business and Significant Accounting Policies (Details)

v3.20.2
Nature of Business and Significant Accounting Policies (Details)
 3 Months Ended 12 Months Ended
Dec. 23, 2019
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Jun. 24, 2019
USD ($)
Feb. 04, 2019
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Jan. 29, 2019
USD ($)
Oct. 31, 2018
USD ($)
Jun. 27, 2018
USD ($)
shares
Jun. 01, 2018
USD ($)
Feb. 28, 2018
USD ($)
Dec. 04, 2017
USD ($)
Apr. 29, 2015
shares
Dec. 10, 2014
shares
Nov. 12, 2014
shares
Aug. 31, 2020
USD ($)
shares
Aug. 31, 2019
USD ($)
shares
May 31, 2020
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Jun. 01, 2019
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May 31, 2019
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May 31, 2018
USD ($)
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Subsidiary or Equity Method Investee, Cumulative Number of Shares Issued for All Transactions (in Shares) | shares                     6,250,000              
Equity Method Investment, Ownership Percentage                       55.60%            
Stockholders' Equity Note, Stock Split, Conversion Ratio                     0.00625              
Payments to Acquire Notes Receivable                         $ 0 $ 175,000        
Proceeds from Collection of Notes Receivable                         750,000 0        
Cash and Cash Equivalents, at Carrying Value                         2,887,102 5,907,899 $ 2,925,568   $ 10,525,791  
Accounts Receivable, Credit Loss Expense (Reversal)                         5,992 0        
Goodwill, Impairment Loss                             25,185,003      
Goodwill           $ 25,742,899             557,896   557,896      
Advertising Expense                         132,032 205,978        
Research and Development Expense                         $ 7,007 $ 0        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | shares                         88,399,315 86,452,881        
Operating Lease, Right-of-Use Asset                         $ 1,316,599   1,403,429 $ 2,703,821    
Operating Lease, Liability                         $ 1,370,434     $ 2,675,310 2,675,310  
Embedded Derivative, No Longer Bifurcated, Amount Reclassified to Stockholders' Equity             $ 1,265,751                      
Warrant [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | shares                         54,835,145 54,835,145        
Equity Unit Purchase Agreements [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | shares                         7,676,974 7,676,974        
Convertible Debt Securities [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | shares                         25,454,696 23,704,094        
Stock Payable [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | shares                         432,500 236        
Reverse Merger with CLS Labs [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Stock Issued During Period, Shares, New Issues (in Shares) | shares                   15,000,000                
Oasis Acquisition [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Payments to Acquire Businesses, Gross           2,050,000   $ 6,200,000                    
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions               10.00%                    
Liabilities Assumed           204,457   $ 204,457                    
Business Combination, Consideration Transferred           27,975,650                        
Business Combination, Consideration Transferred, Liabilities Incurred           3,810,820                        
Business Combination, Contingent Consideration, Liability                                 1,000,000 $ 678,111
Goodwill, Impairment Loss                             25,185,003      
Goodwill           25,742,899                 $ 557,896   $ 25,742,899  
Oasis Acquisition [Member] | Oasis LLCs [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Payments to Acquire Businesses, Gross           $ 5,995,543                        
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners           90.00%                        
Debt Instrument, Face Amount           $ 4,000,000                        
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares) | shares           22,058,823                        
Oasis Acquisition [Member] | Deposit [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Payments to Acquire Businesses, Gross                 $ 250,000                  
Oasis Acquisition [Member] | Additional Payments [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Payments to Acquire Businesses, Gross               $ 1,800,000 $ 1,800,000                  
In Good Health [Member]                                    
Nature of Business and Significant Accounting Policies (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                          
Debt Instrument, Interest Rate, Stated Percentage         6.00%                          
Interest Rate, Default         15.00%                          
Proceeds from Collection of Notes Receivable                         $ 750,000          
Financing Receivable, after Allowance for Credit Loss                         $ 3,353,306          
CannAssist LLC [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Equity Method Investment, Ownership Percentage       80.00%                            
Debt Instrument, Face Amount       $ 500,000                            
Debt Instrument, Interest Rate, Stated Percentage       8.00%                            
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.                            
Payments to Acquire Notes Receivable   $ 175,000 $ 150,000                              
Proceeds from Collection of Notes Receivable $ 342,567                                  
Financing Receivable, after Allowance for Credit Loss 0                                  
CannAssist LLC [Member] | Principal [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Proceeds from Collection of Notes Receivable 325,000                                  
CannAssist LLC [Member] | Accrued Interest [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Proceeds from Collection of Notes Receivable $ 17,567                                  
Oasis LLCs [Member] | Oasis Acquisition [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Payments to Acquire Businesses, Gross           $ 5,995,543                        
Debt Instrument, Face Amount           $ 4,000,000                        
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares) | shares           22,058,823                        
CLS Labs, Inc. [Member] | Shares of CLS Holdings USA, Inc. [Member]                                    
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                    
Subsidiary or Equity Method Investee, Cumulative Number of Shares Issued for All Transactions (in Shares) | shares                       10,000,000