Discontinued Operations - Summary of Assets and Liabilities of Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Disposal Group Including Discontinued Operation Balance Sheet Disclosures [Abstract]
Contingent consideration due from escrow	$ 1,911	$ 1,927
Income taxes receivable (payable)	(15)	(17)
Assets of discontinued operations	1,896	1,910
Accrued professional fees	1	30
Liabilities of discontinued operations	$ 1	$ 30

Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section S99

-Paragraph 1

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Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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-Publisher FASB

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