Annual report pursuant to Section 13 and 15(d)

Conversion to note receivable and subsequent write-off (Details)

v3.8.0.1
Conversion to note receivable and subsequent write-off (Details) - USD ($)
Apr. 27, 2015
Apr. 13, 2015
Feb. 18, 2014
Conversion to note receivable and subsequent write-off Details      
Purchase interest in MCB     51.00%
Mentor received proceeds from warrant exercises     $ 200,000
MCB was discretionary and could be reduced with no change in Mentor's ownership     $ 100,000
Mentor notified MCB that the funding would be reduced to   $ 100,000  
Mentor notified MCB that of funding previously paid to MCB $ 74,000    
Conversion resulted in a gain of 2nd quarter of 2015 35,360    
Note was impaired in its entirety in the 4th quarter of 2015 74,000    
Accrued and unpaid interest on the note $ 2,010