Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Abstract]
Tax expense at statutory rate	$ 2,959	$ 8,152	$ 4,220
State income taxes, net of federal benefit	220	183	296
Non-deductible entertainment expenses	218	207	188
State valuation allowance adjustment	83	(760)	(427)
Foreign income taxes	69	96	(199)
Equity compensation	63	(29)	32
Non-deductible transaction costs			151
Net change in uncertain tax positions	(781)	104	(15)
Non-deductible change in stock basis of subsidiary	(641)
Domestic production activities deduction	(486)	(402)	(407)
Research and development credit	(221)	(392)
Other	(102)	(39)	267
Income tax expense	$ 1,381us-gaap_IncomeTaxExpenseBenefit	$ 7,120us-gaap_IncomeTaxExpenseBenefit	$ 4,106us-gaap_IncomeTaxExpenseBenefit

Income Tax Reconciliation Net Change In Uncertain Tax Positions

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Income Tax Reconciliation Non-Deductible Change In Stock Basis Of Subsidiary

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Income Tax Reconciliation, Nondeductible Expense, Transaction Costs

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

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

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-Number 210

-Section 08

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-Article 4

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-Name Accounting Standards Codification

-Glossary Income Tax Expense (or Benefit)

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-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

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Amount of the difference between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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