Supplemental Cash Flow Information (Detail) - Supplemental Cash Flow Information (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Non-cash investing and financing activities:
Purchase of property and equipment in Accounts Payable	$ 574	$ 1,675
Additional cash payment information:
Interest paid	903us-gaap_InterestPaid	1,286us-gaap_InterestPaid
Income tax (paid)/ refunds received	(146)us-gaap_IncomeTaxesPaidNet	254us-gaap_IncomeTaxesPaidNet
Decrease in revolving credit facility/increase in fixed asset sub-line facility	$ 7,004us-gaap_LineOfCreditAssumed1	$ 0us-gaap_LineOfCreditAssumed1

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- Definition

Future cash outflow to pay for purchases of fixed assets that have occurred.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

+ References

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+ References

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