Purchase agreement for preferred security (Details)  | 
 Apr. 21, 2015  
shares 
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| Purchase agreement for preferred security | |
| Received in exchange for 1,200 to-be-created Series C convertible preferred shares of Mentor | 120,000 | 
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- References No definition available. 
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- Definition Received in exchange for 1,200 to-be-created Series C convertible preferred shares of Mentor No definition available. 
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