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Long-Term Debt and Capital Lease Obligations - Schedule of Capital Lease Obligations (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Debt Disclosure [Abstract]    
Capital lease obligations $ 1,320us-gaap_CapitalLeaseObligations $ 235us-gaap_CapitalLeaseObligations
Less: Current portion (465)us-gaap_CapitalLeaseObligationsCurrent (92)us-gaap_CapitalLeaseObligationsCurrent
Long-term capital lease obligations $ 855us-gaap_CapitalLeaseObligationsNoncurrent $ 143us-gaap_CapitalLeaseObligationsNoncurrent