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Summary of Significant Accounting Policies - Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share (Detail) - USD ($)
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Accounting Policies [Abstract]    
Net income (loss) $ 84,644 $ (9,714,471)
Numerator, basic and diluted net income (loss) available to stockholders $ 84,644 $ (9,714,471)
Shares used in computation - basic:    
Weighted average common shares outstanding 7,541,111 7,209,653
Common shares outstanding for basic 7,541,111 7,209,653
Shares used in computation - diluted:    
Common shares outstanding for basic 7,541,111 7,209,653
Shares used in computing diluted net income per share 7,632,441 7,209,653
Net (loss) per share - basic $ 0.01 $ (1.35)
Net (loss) per share - diluted $ 0.01 $ (1.35)