Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Taxes on Income (Details Textual)

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Taxes on Income (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Taxes on Income (Textual)      
Statutory tax rate 25.00% 26.50% 26.50%
Accumulated losses for tax purposes $ 7.6    
Israel Tax Authority [Member]      
Taxes on Income (Textual)      
Corporate income tax rate, description In December 2016, the Israeli Parliament approved the Economic Efficiency Law (Legislative Amendments for Applying the Economic Policy for the 2017 and 2018 Budget Years), which reduces the corporate income tax rate to 24% effective from January 1, 2017 and to 23% effective from January 1, 2018.    
Subsidiaries [Member]      
Taxes on Income (Textual)      
Accumulated losses for tax purposes $ 4.4