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Income Taxes - Net Deferred Tax Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Net deferred tax assets:
Deferred tax assets-current	$ 12	$ 296
Deferred tax assets-non-current	304	2,255
Deferred tax liability	(144)	(206)
Net deferred tax assets	$ 172	$ 2,345

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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