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Income Taxes (Schedule Of Components Of The Net Deferred Tax Liability) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Income Taxes [Abstract] |  |
Vacation Disallowance | $ 33 else_DeferredTaxAssetVacationDisallowance | $ 27 else_DeferredTaxAssetVacationDisallowance
Allowance for Doubtful Accounts | 4 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts | 3 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
Stock Compensation | 80 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 57 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
State Carryforward R&D Credit | 31 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch | 12 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch
Total Deferred Tax Assets | 148 us-gaap_DeferredTaxAssetsNet | 99 us-gaap_DeferredTaxAssetsNet
Prepaid Expenses | 35 us-gaap_DeferredTaxLiabilitiesPrepaidExpenses | 30 us-gaap_DeferredTaxLiabilitiesPrepaidExpenses
Amortization and Depreciation | 54 else_DeferredTaxLiabilitiesDepreciationAndAmortization | 91 else_DeferredTaxLiabilitiesDepreciationAndAmortization
Net Unrealized Gain on Investments | 450 else_DeferredTaxLiabilitiesNetUnrealizedGainOnInvestments | 1,000 else_DeferredTaxLiabilitiesNetUnrealizedGainOnInvestments
Total Deferred Tax Liabilities | 539 us-gaap_DeferredIncomeTaxLiabilities | 1,121 us-gaap_DeferredIncomeTaxLiabilities
Net Deferred Tax Liability | $ (391)us-gaap_DeferredTaxLiabilities | $ (1,022)us-gaap_DeferredTaxLiabilities

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- Definition Amount of deferred tax liability attributable to taxable temporary differences. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Liability -URI http://asc.fasb.org/extlink&oid=6510232 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph b(2) -Article 7 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. + 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 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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