Quarterly report pursuant to Section 13 or 15(d)

Loss Per Share of Common Stock - Basic and Diluted Loss Per Share of Common Stock (Detail)

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Loss Per Share of Common Stock - Basic and Diluted Loss Per Share of Common Stock (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Calculation of basic and diluted loss per share of common stock:    
Net loss attributable to common stockholders $ (14,637) $ (643)
Denominator for basic and diluted weighted average shares of common stock 15,746,714 11,230,647
Basic and diluted loss per share of common stock $ (0.93) $ (0.06)