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Change in Net Deferred Tax Asset (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Change In Net Deferred Tax Asset (Liability) [Rollforward] |  |
Deferred Tax Assets (Liabilities), Net | $ 1,280 | $ 195
Deferred Tax (Expense) Benefit Related To Continuing Operations | (356) | (461)
Deferred Taxes, Stockholders' Equity For Change In Accumulated Other Comprehensive (Income) Loss | (135) | 1,546
Deferred Tax Assets (Liabilities), Net | $ 789 | $ 1,280

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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319 + Details
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