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Line of Credit, Long-Term Debt and Capital Lease Obligations - Schedule of Capital Lease Obligations (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Debt Disclosure [Abstract]    
Capital lease obligations $ 3,550 $ 4,299
Less: Current portion (2,054) (1,883)
Long-term portion $ 1,496 $ 2,416