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Stockholders' Equity (Detail 1) - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Redeemable Convertible Preferred Stock Series A-1 [Member]    
Temporary Equity [Line Items]    
Original Issue Price $ 0.0100 $ 0.0100
Shares Designated 5,000,000 5,000,000
Shares Originally Issued 5,000,000 5,000,000
Shares Outstanding 0 0
Liquidation Preference $ 0 $ 0
Redeemable Convertible Preferred Stock Series A-2 [Member]    
Temporary Equity [Line Items]    
Original Issue Price $ 1.6996 $ 1.6996
Shares Designated 1,176,748 1,176,748
Shares Originally Issued 1,176,748 1,176,748
Shares Outstanding 0 0
Liquidation Preference $ 0 $ 0
Series B Convertible Preferred Share [Member]    
Temporary Equity [Line Items]    
Original Issue Price $ 1,000.00 $ 1,000.00
Shares Designated 2,750 2,750
Shares Originally Issued 2,750 2,750
Shares Outstanding 0 0
Liquidation Preference $ 0 $ 0
Series C Convertible Preferred Stock [Member]    
Temporary Equity [Line Items]    
Original Issue Price $ 1,000.00  
Shares Designated 2,500  
Shares Originally Issued 2,500  
Shares Outstanding 2,500  
Liquidation Preference $ 2,500,000