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Warrant Activity (Detail)
9 Months Ended
Sep. 30, 2015
$ / shares
shares
Number of Shares Issuable  
Granted | shares 810,833
Weighted Average Exercise Price  
Granted $ 1.11
Warrant  
Number of Shares Issuable  
Balance, Beginning | shares 1,166,146
Granted | shares 0
Exercised | shares 0
Expired | shares (355,313)
Balance, Ending | shares 810,833
Weighted Average Exercise Price  
Balance, Beginning $ 1.13
Granted 0
Exercised 0
Cancelled 1.17
Balance, Ending $ 1.11