Excess tax deductions from stock option exercises.

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- Definition

Future taxable income amount for utilizing deferred tax assets.

+ References

No definition available.

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- Definition

Period of taxable income projections.

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- Definition

Statutory federal tax rate to income (loss) from continuing operations.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Deferred Tax Asset

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Article 4

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Income Tax Expense (or Benefit)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a),(b)

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- Definition

Tax year that remains open to examination under enacted tax laws, in CCYY format.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (e)

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)

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-Name Accounting Standards Codification

-Glossary Carryforwards

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (b)

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Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
Income Taxes - Additional Information (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Benefit [Line Items]
Income tax provision (benefit)	$ 3,177,000us-gaap_IncomeTaxExpenseBenefit	$ (30,089,000)us-gaap_IncomeTaxExpenseBenefit	$ 401,000us-gaap_IncomeTaxExpenseBenefit
Gross deferred tax assets	28,832,000us-gaap_DeferredTaxAssetsGross	31,872,000us-gaap_DeferredTaxAssetsGross
Valuation allowance	1,500,000	1,500,000	37,726,000	39,049,000
Pre-tax income		8,200,000
Pretax income period		3 years
Statutory federal tax rate to income from continuing operations		34.00%
Excess tax deductions from stock option exercises	1,100,000	1,100,000
Accrued interest and penalties	49,000	320,000
Tax benefit unrecognized	9,000
Expire in 2030 [Member]
Income Tax Benefit [Line Items]
Foreign tax credits	2,100,000
Expire in 2030 [Member] \| Federal [Member]
Income Tax Benefit [Line Items]
Net operating loss carryforwards	15,300,000
Expire in 2030 [Member] \| State [Member]
Income Tax Benefit [Line Items]
Net operating loss carryforwards	15,300,000
Expire in 2020 [Member]
Income Tax Benefit [Line Items]
Net operating loss carryforwards	12,100,000
Foreign tax credits	1,000,000
Expire in 2034 [Member]
Income Tax Benefit [Line Items]
Net operating loss carryforwards	$ 1,100,000
Earliest Tax Year [Member]
Income Tax Benefit [Line Items]
Open tax year subject to examination	2004
Latest Tax Year [Member]
Income Tax Benefit [Line Items]
Open tax year subject to examination	2014