Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Notes Payable (Details) - Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques

v3.7.0.1
Note 10 - Notes Payable (Details) - Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques
9 Months Ended
Feb. 28, 2017
$ / shares
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Expected dividends: 0.00%
Minimum [Member]  
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Expected volatility: 93.00%
Expected term (years): 200 days
Risk free interest rate: 0.60%
Stock price (in Dollars per share) $ 0.17
Maximum [Member]  
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Expected volatility: 168.30%
Expected term (years): 292 days
Risk free interest rate: 0.62%
Stock price (in Dollars per share) $ 0.59