Annual report pursuant to Section 13 and 15(d)

Commitments and contingencies (Details)

Commitments and contingencies (Details) - USD ($)
Dec. 29, 2016
Mar. 01, 2016
Jul. 31, 2015
Sep. 05, 2014
Aug. 11, 2014
Jun. 30, 2014
Mar. 31, 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        
Company paid for credit default insurance to a third party as required by the lender on an international loan facility.             $ 621,250
Amount represented percent of prospective loan amount             1.75%
The amount was expensed as loan costs in the consolidated statement of operations for the year           $ 621,250  
Mentor was granted a judgement in the amount   $ 746,500.29          
Company filed suit in San Mateo County Superior Court against Wm. E. Fielding and Associates, Inc., the name of the account holder to whom was wired       $ 621,250