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Commitments and Contingencies (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) Car | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Commitments and Contingencies (Textual) |  |  |
Bank performance guarantee | $ 36 |  |
Rental agreements expiry date | Apr. 30, 2023 |  |
Number of leased cars | Car | 29 |  |
Lease agreements duration | 48 months |  |
Sublease income | $ 11 |  |
Total lease expenses, net | $ 1,248 | $ 1,023 | $ 801
Bank guarantee expiration date | Apr. 30, 2018 |  |
Royalties rate, description | The Company is required to pay royalties at a rate of 5% of sales of products developed with funds provided by the BIRD-F, up to an amount equal to 150% of the BIRD-F's grant, linked to the United States Consumer Price Index ("CPI") relating to such products. |  |
Grants intended costs, description | The grant is intended to cover up to 50% from the costs of the office establishment, logistics expenses and hiring employees and consultants in India and China, based on the approved budget for the plan over a period of three years. |  |
Israel Innovation Authority (IIA) [Member] |  |  |
Commitments and Contingencies (Textual) |  |  |
Percent of grants received paid in royalties | 100.00% |  |
Total commitment with respect to royalty-bearing participation received, net of royalties paid | $ 45,784 |  |
Proceeds from grants received | 42,470 |  |
Accumulated interest, grants | 16,953 |  |
Net of royalties paid | 13,639 |  |
Royalty expenses | $ 1,303 | $ 1,033 | $ 655
Israel Innovation Authority (IIA) [Member] | Minimum [Member] |  |  |
Commitments and Contingencies (Textual) |  |  |
Royalty payable range | 3.00% |  |
Israel Innovation Authority (IIA) [Member] | Maximum [Member] |  |  |
Commitments and Contingencies (Textual) |  |  |
Royalty payable range | 5.00% |  |
MOE [Member] |  |  |
Commitments and Contingencies (Textual) |  |  |
Royalty payable range | 3.00% |  |
Proceeds from grants received | $ 668 |  |
Grant approved over a period | 5 years |  |
BIRD-F [Member] |  |  |
Commitments and Contingencies (Textual) |  |  |
Proceeds from grants received | $ 340 |  |
Pay royalties up to an amount | 836 |  |
Linkage to CPI | 460 |  |
Net of royalties paid | $ 376 |  |

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