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Income Taxes (Narrative) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($)
Net operating loss carryforward | $ 5,329
Net operating loss carryforward, expiration date | Dec. 31, 2035
Earliest Tax Year [Member] |
Open Tax Year | 2014

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- Definition Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format. + References Reference 1: 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=65882285&loc=d3e32559-109319 + Details
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