Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Capital Lease Rental Commitments (Detail)

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Commitments and Contingencies - Capital Lease Rental Commitments (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
2015 $ 588us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent
2016 294us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears
Thereafter 0us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter
Total Minimum Lease Payments 882us-gaap_CapitalLeasesFutureMinimumPaymentsDue
Less amount representing average interest of 2.2% (15)us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments
Capital lease, present value of net minimum payments 867us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments
Less current portion (575)us-gaap_CapitalLeaseObligationsCurrent
Long-term portion $ 292us-gaap_CapitalLeaseObligationsNoncurrent