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Income Taxes - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Income Tax Disclosure [Abstract] |  |  |
Federal statutory rate | 35.00% |  |
State net operating loss carryforwards | $ 13,000,000 |  |
Net operating loss carryforwards expiration date, lower limit | 2018 |  |
State tax carryforwards | 889,000 |  |
Net operating loss carryforwards expiration date, upper limit | 2031 |  |
Tax carryforwards, expiration year | 2014 |  |
Deferred tax liability | 650,000 |  |
Undistributed foreign earnings | 1,900,000 |  |
Unrecognized tax benefits | 2,100,000 |  |
Accrued interest related to uncertain tax positions | 268,000 | 172,000 |
Interest for uncertain tax positions | $ 96,000 | $ 100,000 | $ 8,000

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- Definition Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
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