Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Nature of Business and Significant Accounting Policies (Details)

v3.19.3
Note 1 - Nature of Business and Significant Accounting Policies (Details)
3 Months Ended
Jun. 24, 2019
USD ($)
Feb. 04, 2019
USD ($)
Jan. 29, 2019
USD ($)
Oct. 31, 2018
USD ($)
Jul. 03, 2018
USD ($)
Jun. 27, 2018
USD ($)
shares
Jun. 01, 2018
USD ($)
$ / shares
Feb. 28, 2018
USD ($)
Feb. 05, 2018
USD ($)
Dec. 04, 2017
USD ($)
Apr. 29, 2015
shares
Dec. 10, 2014
shares
Nov. 12, 2014
shares
Aug. 31, 2019
USD ($)
shares
Aug. 31, 2018
USD ($)
$ / shares
shares
May 31, 2019
USD ($)
May 31, 2018
USD ($)
Jun. 20, 2017
$ / shares
May 31, 2017
$ / shares
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions               10.00% 10.00%                    
Financing Receivable, after Allowance for Credit Loss, Current       $ 5,000,000 $ 5,000,000                 $ 1,275,411   $ 850,958      
Note Receivable, Interest Rate, Stated Percentage       6.00% 6.00%                            
Payments to Acquire Notes Receivable                           175,000 $ 0        
Cash and Cash Equivalents, at Carrying Value                           5,907,899 5,953,925 $ 10,525,791 $ 52,964    
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)                             0        
Advertising Expense                           205,978 $ 0        
Research and Development Expense                           $ 0          
Debt Instrument, Convertible, Conversion Price (in Dollars per share) | $ / shares                                     $ 0.25
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | shares                           86,452,881 87,162,289        
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt             $ 1,265,751             $ 0 $ 1,265,751        
Embedded Derivative Financial Instruments [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Share Price (in Dollars per share) | $ / shares             $ 0.6865                     $ 0.710  
Debt Instrument, Convertible, Terms of Conversion Feature                             That the conversion price of the YAN II PN Convertible Notes would be equal to $0.40 with a full reset feature, and upon default, 75% of the lowest Variable Weighted Average Price (“VWAP”) in the 15 consecutive trading days ending on the trading day that is immediately prior to the applicable conversion date        
Debt Instrument, Convertible, Conversion Price (in Dollars per share) | $ / shares                             $ 0.40        
Event of Default, Decription                             That an event of default at 24% or 15% interest rate would occur 0% of the time, increasing 1.00% per month to a maximum of 25%, and that instead of a penalty, there would be an alternative conversion price        
Note Redemption, Projection                             That the Company would redeem the convertible notes, projected initially at 0% of the time and increasing monthly by 1.0% to a maximum of 10.0% (from alternative financing)        
Joint Venture with CannAssist [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Debt Instrument, Face Amount     $ 500,000                                
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                           325,000          
Interest Receivable                           $ 10,564          
Warrant [Member]                                      
Note 1 - 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 21,139,000        
Unite Warrants [Member]                                      
Note 1 - 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 4,635,684        
Convertible Debt Securities [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | shares                           23,704,094 3,245,858        
Stock Payable [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | shares                           236,668 195,709        
Special Warrants [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | shares                             57,946,038        
Measurement Input, Default Rate [Member] | Embedded Derivative Financial Instruments [Member] | Maximum [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Embedded Derivative Asset (Liability) Net, Measurement Input                             0.24        
Measurement Input, Default Rate [Member] | Embedded Derivative Financial Instruments [Member] | Minimum [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Embedded Derivative Asset (Liability) Net, Measurement Input                             0.15        
Measurement Input, Price Volatility [Member] | Embedded Derivative Financial Instruments [Member] | Maximum [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Embedded Derivative Asset (Liability) Net, Measurement Input                             2.428        
Measurement Input, Price Volatility [Member] | Embedded Derivative Financial Instruments [Member] | Minimum [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Embedded Derivative Asset (Liability) Net, Measurement Input                             0.974        
Reverse Merger with CLS Labs [Member]                                      
Note 1 - 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]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Payments to Acquire Businesses, Gross           $ 2,050,000                          
Liabilities Assumed           204,457                          
Business Combination, Consideration Transferred           27,975,650                          
Business Combination, Consideration Transferred, Liabilities Incurred           3,810,820                          
Oasis Acquisition [Member] | Oasis LLCs [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Payments to Acquire Businesses, Gross         $ 6,200,000 $ 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                          
Liabilities Assumed         204,457                            
In Good Health [Member]                                      
Note 1 - 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                            
Equity Issued in Business Combination, Fair Value Disclosure         5,000,000                            
Business Combination, Consideration Transferred, Other         2,500,000                            
Option Agreement, Brake-Up Fee       $ 2,500,000 $ 2,500,000                            
Deposit [Member] | Oasis Acquisition [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Payments to Acquire Businesses, Gross                   $ 250,000                  
Additional Payments [Member] | Oasis Acquisition [Member]                                      
Note 1 - Nature of Business and Significant Accounting Policies (Details) [Line Items]                                      
Payments to Acquire Businesses, Gross               $ 1,800,000 $ 1,800,000                    
CLS Labs, Inc. [Member] | Shares of CLS Holdings USA, Inc. [Member]                                      
Note 1 - 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 10,000,000            
Equity Method Investment, Ownership Percentage                         55.60%