Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity - Company's Outstanding and Exercisable Warrants (Detail)

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Shareholders' Equity - Company's Outstanding and Exercisable Warrants (Detail)
12 Months Ended
Dec. 31, 2015
$ / shares
shares
Class of Warrant or Right [Line Items]  
Warrants Outstanding 175,584
Exercise Price 1.50 [Member]  
Class of Warrant or Right [Line Items]  
Exercise Price | $ / shares $ 1.50
Warrants Outstanding 175,584
Expiration Dates Jul. 31, 2017