Significant Accounting Policies - Schedule of Geographic Information Related to Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Revenues $ 7,121 $ 7,223 $ 6,903 $ 6,767 $ 6,791 $ 6,612 $ 6,345 $ 5,408 $ 28,014 $ 25,156
United States [Member]                    
Revenues                 26,391 23,597
Rest of the World [Member]                    
Revenues                 $ 1,623 $ 1,559