Annual report pursuant to Section 13 and 15(d)

Common Stock Warrants (Details)

v3.8.0.1
Common Stock Warrants (Details)
Dec. 31, 2016
$ / shares
Dec. 31, 2015
$ / shares
Nov. 08, 2009
shares
Exercise Prices Details:      
Series B $ 0.11    
Series D $ 1.60    
Company issued Series H with par value $7 Warrants | shares     689,159
Weighted average contractual life for all Mentor warrants 21.5 22.4  
Weighted average outstanding warrant exercise price per share $ 2.02 $ 1.88