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Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Income Taxes [Abstract] |  |
Computed "Expected" Federal Tax Expense | $ 156 | $ 70
State Income Taxes, net of Federal Benefit | 3 | 2
Credits | (46) | (63)
Domestic Production Activities Deduction | (19) | (5)
Permanent Differences | 4 | 5
Effect of U.S. Tax Law Changes (35% to 21%) | 49 | 0
Other | 16 | (7)
Total Federal and State Income Taxes | 163 | 2
Accrued Interest or Penalties Related to Uncertain Tax Positions | $ 0 | $ 0

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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 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 2: 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)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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