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Summary of Significant Accounting Policies (Details 5) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Summary of Significant Accounting Policies [Line Items] |  |
Deferred revenues | $ 66 | $ 75
Deferred License revenues [Member] |  |
Summary of Significant Accounting Policies [Line Items] |  |
Deferred revenues | 28 |
Deferred AirBar revenues [Member] |  |
Summary of Significant Accounting Policies [Line Items] |  |
Deferred revenues | 10 | 59
Deferred sensor modules revenues [Member] |  |
Summary of Significant Accounting Policies [Line Items] |  |
Deferred revenues | 12 | $ 16
Deferred NRE revenues [Member] |  |
Summary of Significant Accounting Policies [Line Items] |  |
Deferred revenues | $ 16 |

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- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(5)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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