Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Note Receivable (Details)

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Note 8 - Note Receivable (Details)
6 Months Ended 12 Months Ended
Oct. 31, 2018
USD ($)
Nov. 30, 2018
USD ($)
May 31, 2018
USD ($)
May 31, 2015
USD ($)
Nov. 30, 2017
USD ($)
Note 8 - Note Receivable (Details) [Line Items]          
Allowance for Doubtful Accounts Receivable, Current   $ 0     $ 0
Notes, Loans and Financing Receivable, Net, Current $ 5,000,000 5,000,000 $ 0    
Note Receviable, Interest Rate 6.00%        
Note Receivbale, Number of Installments 8        
Interest Income, Operating   24,658      
Interest Receivable, Current   24,658 0    
Notes Receivable [Member] | Affiliated Entity [Member]          
Note 8 - Note Receivable (Details) [Line Items]          
Financing Receivable, Gross       $ 500,000  
Loans and Leases Receivable, Description       Pursuant to the PRH Note, as amended by the parties effective June 30, 2015, October 31, 2015, April 11, 2016, and May 31, 2016, PRH was expected to repay the principal due under the PRH Note in twenty (20) equal quarterly installments of Twenty Five Thousand Dollars ($25,000) commencing in the month following the month in which PRH commenced generating revenue at the grow facility, which commencement was originally anticipated to occur in the first quarter of 2017, and continuing until paid in full.  We suspended our plans to proceed with the Colorado Arrangement due to regulatory delays and have not yet determined when we will pursue them again.  Interest will accrue on the unpaid principal balance of the PRH Note at the rate of twelve percent (12%) per annum and will be paid quarterly in arrears commencing after such initial payment and continuing until paid in full.  All outstanding principal and any accumulated unpaid interest due under the Note is due and payable on the five-year anniversary of the initial payment thereunder.  
Note Receivable, Interest Rate, Stated Percentage       12.00%  
Asset Impairment Charges       $ 500,000  
Proceeds from Collection of Notes Receivable     $ 50,000    
Financing Receivable, Net   0      
Allowance for Doubtful Accounts Receivable, Current   $ 450,000