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Summary of Significant Accounting Policies (Details 9) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Revenue |  |
License fees | $ 7,954 | $ 8,684
Sensor modules | 227 | 814
Non-recurring engineering | 357 | 743
Total Revenues | 8,538 | 10,241
ASSETS |  |
Accounts receivable and unbilled revenues, net | 1,830 | 1,010
Liabilities |  |
Deferred revenues | 75 | 1,248
Equity |  |
Accumulated deficit | (185,222) | $ (183,745)
Balances excluding revenue standard [Member] |  |
Revenue |  |
License fees | 7,889 |
Sensor modules | 227 |
Non-recurring engineering | 357 |
Total Revenues | 8,473 |
ASSETS |  |
Accounts receivable and unbilled revenues, net | 320 |
Liabilities |  |
Deferred revenues | 213 |
Equity |  |
Accumulated deficit | (186,870) |
Impact of Revenue Standard [Member] |  |
Revenue |  |
License fees | 65 |
Sensor modules |  |
Non-recurring engineering |  |
Total Revenues | 65 |
ASSETS |  |
Accounts receivable and unbilled revenues, net | 1,510 |
Liabilities |  |
Deferred revenues | (138) |
Equity |  |
Accumulated deficit | $ 1,648 |

X
- Definition The carrying amount of consideration received or receivables 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 No definition available. + Details
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