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Summary of Significant Accounting Policies (Details 2) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Property, Plant and Equipment [Line Items] |  |
Net license revenues | $ 5,966 | $ 7,954
Percentage of net license revenues | 100.00% | 100.00%
Net revenues | $ 6,646 | $ 8,538
Percentage of net revenues | 100.00% | 100.00%
Automotive [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Net license revenues | $ 1,839 | $ 1,627
Percentage of net license revenues | 28.00% | 19.00%
Consumer electronics [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Net license revenues | $ 4,127 | $ 6,327
Percentage of net license revenues | 62.00% | 74.00%
Sensor Modules [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Percentage of net license revenues | 8.00% | 3.00%
Net revenues | $ 560 | $ 227
Non Recurring Engineering [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Percentage of net license revenues | 2.00% | 4.00%
Net revenues | $ 120 | $ 357

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