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Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
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