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Financial Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Debt Disclosure [Abstract]    
Secured term loan $ 10,000  
Secured note   6,660
Bank revolving loan facility 4,300  
Less: Unamortized discount (375) (638)
Total 13,925 6,022
Less: Current portion of financial liabilities 2,083 2,971
Long-term financial liabilities $ 11,842 $ 3,051