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Summary of Significant Accounting Policies (Details 6) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
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Deferred revenues | $ 546 | $ 1,248
Balances excluding revenue standard [Member] |  |
Deferred revenues | 707 |
Impact of Revenue Standard [Member] |  |
Deferred revenues | $ (161) |

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- Definition The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6935-107765 + Details
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