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Supplemental Cash Flow Information (Detail) - Supplemental Cash Flow Information (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Non-cash investing and financing activities:
Purchase of property and equipment in Accounts Payable	$ 1,675	$ 478
Additional cash payment information:
Interest paid	1,286	928
Income tax (paid)/ refunds received	$ (254)	$ 293

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.

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