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Inventories (Detail) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Inventory [Line Items]    
Work-in-process $ 4,096 $ 2,222
Finished goods 9,585 12,734
Total inventories $ 13,681 $ 14,956 [1]
[1] The financial information in this column was derived from audited consolidated financial statements included in the Company's 2014 Annual Report on Form 10-K.