Quarterly report pursuant to Section 13 or 15(d)

Commitments and contingencies (Details)

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Commitments and contingencies (Details) - USD ($)
Dec. 29, 2016
Jul. 31, 2015
Aug. 11, 2014
Commitments and contingencies details      
Mentor obtained a judgment in the amount against Bhang Corporation and its predecessor in interest $ 1,921,534.62    
Mentor filed suit against Bhang and its owners in the United States District Court for the Northern District of California for co-operative funding agreement with Bhang, seeking return of the investment     $ 1,500,000
The judgment accrues interest at the rate 10.00%    
As part of the judgment Bhang owners, Scott Van Rixel and Richard Sellers, who together purchased shares 117,000    
Bhang Agreement have the option to return all or part of those shares in exchange for payment of the original purchase price of $1.95 per share plus a pro-rata amount. 58,568.92    
Mentor was served with a complaint in an action in the United States District Court for the District of Utah initiated by the wife and daughter of Bhang's corporate counsel related to shares   $ 75,000