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Sale of Buildings - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended
	Feb. 28, 2013	Mar. 31, 2013	Mar. 31, 2014	Dec. 31, 2013
Leases [Abstract]
Proceeds from sale of manufacturing facility	$ 3,496
Loss on sale of building net of commissions and fees		31
Accrued in accounts payable and accrued expenses			$ 497	$ 785

Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.

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