Quarterly report pursuant to Section 13 or 15(d)

Nature of Business and Significant Accounting Policies (Details)

v3.20.1
Nature of Business and Significant Accounting Policies (Details)
 3 Months Ended 9 Months Ended
Feb. 26, 2020
Dec. 23, 2019
USD ($)
Jun. 24, 2019
USD ($)
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 ($)
Apr. 29, 2015
shares
Dec. 10, 2014
shares
Nov. 12, 2014
shares
Feb. 29, 2020
USD ($)
Feb. 28, 2019
USD ($)
$ / shares
Feb. 29, 2020
USD ($)
shares
Feb. 28, 2019
USD ($)
$ / shares
shares
Nov. 30, 2019
USD ($)
May 31, 2019
USD ($)
May 31, 2018
USD ($)
Jun. 20, 2017
$ / shares
May 31, 2017
$ / shares
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                 $ 5,000,000   $ 5,000,000     $ 850,958      
Note Receivable, Interest Rate, Stated Percentage           6.00% 6.00%                                  
Payments to Acquire Notes Receivable                                   175,000 $ 5,150,000          
Proceeds from Collection of Notes Receivable   $ 342,567                               325,000            
Cash and Cash Equivalents, at Carrying Value                               3,039,095 $ 11,972,015 3,039,095 11,972,015   $ 10,525,791 $ 52,964    
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)                                   0 0          
Advertising Expense                               200,927 381,082 624,946 1,134,322          
Research and Development Expense                               0 $ 0 $ 0 $ 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                                   87,577,583 89,455,637          
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt                 $ 1,265,751                 $ 0 $ 1,265,751          
Embedded Derivative Financial Instruments [Member]                                                
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   $ 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]                                                
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                                        
Proceeds from Collection of Notes Receivable   342,567                                            
Financing Receivable, after Allowance for Credit Loss                               $ 325,000   $ 325,000   $ 0        
Measurement Input, Default Rate [Member] | Maximum [Member] | Embedded Derivative Financial Instruments [Member]                                                
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                                
Embedded Derivative Asset (Liability) Net, Measurement Input                                 0.24   0.24          
Measurement Input, Default Rate [Member] | Minimum [Member] | Embedded Derivative Financial Instruments [Member]                                                
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                                
Embedded Derivative Asset (Liability) Net, Measurement Input                                 0.15   0.15          
Measurement Input, Price Volatility [Member] | Maximum [Member] | Embedded Derivative Financial Instruments [Member]                                                
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                                
Embedded Derivative Asset (Liability) Net, Measurement Input                                 2.428   2.428          
Measurement Input, Price Volatility [Member] | Minimum [Member] | Embedded Derivative Financial Instruments [Member]                                                
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                                
Embedded Derivative Asset (Liability) Net, Measurement Input                                 0.974   0.974          
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 57,062,190          
Unite Warrants [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                                   24,678,796 160,084          
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                                   386,668            
Special Warrants [Member]                                                
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                                
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | shares                                     24,556,389          
Principal [Member]                                                
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                                
Proceeds from Collection of Notes Receivable   325,000                                            
Principal [Member] | Joint Venture with CannAssist [Member]                                                
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                                
Proceeds from Collection of Notes Receivable   325,000                                            
Accrued Interest [Member]                                                
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                                
Proceeds from Collection of Notes Receivable   17,567                                            
Accrued Interest [Member] | Joint Venture with CannAssist [Member]                                                
Nature of Business and Significant Accounting Policies (Details) [Line Items]                                                
Proceeds from Collection of Notes Receivable   $ 17,567                                            
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                                
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]                                                
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                                  
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                                  
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                                  
Interest Rate, Default 15.00%                                              
Shares of CLS Holdings USA, Inc. [Member] | CLS Labs, 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                           6,250,000 10,000,000                  
Equity Method Investment, Ownership Percentage                             55.60%