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Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Commitments and Contingencies (Textual) |  |  |
Bank performance guarantee | $ 33 |  |
Rental agreements expiry date | Apr. 30, 2023 |  |
Number of leased cars | 30 |  |
Description of lease agreements | The rental agreements for the premises of the Company and its subsidiaries expire up to April 30, 2023. The Company also has several motor vehicle lease agreements for up to 48 months period. As of December 31, 2018, the Company maintains 30 leased cars. |  |
Total lease expenses, net | $ 1,341 | $ 1,248 | $ 1,023
Bank guarantee expiration date | Apr. 30, 2019 |  |
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. |  |
Israeli Ministry of Trade [Member] |  |  |
Commitments and Contingencies (Textual) |  |  |
Royalty payable range | 3.00% |  |
Proceeds from grants received |  | 668 |
Royalty expenses | $ 9 |  |
Grant approved over a period | 5 years |  |
Israel United States Bi National Industrial Research and Development Foundation [Member] |  |  |
Commitments and Contingencies (Textual) |  |  |
Proceeds from grants received | $ 340 |  |
Pay royalties up to an amount | 849 | 468 |
Linkage to CPI | 566 |  |
Net of royalties paid | $ 381 |  |
Israel Innovation Authority [Member] |  |  |
Commitments and Contingencies (Textual) |  |  |
Royalty payable range | 3.00% |  |
Percent of grants received paid in royalties | 100.00% |  |
Total commitment with respect to royalty-bearing participation received, net of royalties paid | $ 48,452 |  |
Proceeds from grants received | 44,833 |  |
Accumulated interest, grants | 18,516 |  |
Net of royalties paid | 14,897 |  |
Royalty expenses | $ 922 | $ 1,303 | $ 1,033

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