Other Accrued Expenses and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Other Accrued Liabilities [Line Items]
Accrued restructuring	$ 1,124	$ 909
Accrued professional fees	640	973
Income taxes payable	388	532
Other accrued expenses	2,572	2,825
Total	$ 4,724	$ 5,239	[1]

[1] The condensed consolidated balance sheet has been derived from the audited consolidated financial statements at December 31, 2013 but does not include all the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.