Segment and Related Information (Details 1) - 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 |
Dec. 31, 2014 |
|
Segment Reporting Information [Line Items] | |||||||||||
Revenues | $ 26,415 | $ 25,007 | $ 26,136 | $ 26,963 | $ 28,370 | $ 25,731 | $ 28,800 | $ 25,763 | $ 104,521 | $ 108,664 | $ 108,663 |
Net Assets | 72,196 | 77,598 | 72,196 | 77,598 | |||||||
Long-lived assets, net | 21,767 | 26,774 | 21,767 | 26,774 | |||||||
Segment, Geographical, United States [Member] | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Revenues | 65,179 | 64,766 | 63,727 | ||||||||
Net Assets | 25,736 | 22,312 | 25,736 | 22,312 | |||||||
Long-lived assets, net | 12,004 | 13,610 | 12,004 | 13,610 | |||||||
Segment, Geographical, Germany [Member] | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Revenues | 13,477 | 15,755 | 8,240 | ||||||||
Net Assets | 15,026 | 18,512 | 15,026 | 18,512 | |||||||
Long-lived assets, net | 5,504 | 7,817 | 5,504 | 7,817 | |||||||
Segment, Geographical, United Kingdom [Member] | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Revenues | 16,421 | 18,051 | 24,754 | ||||||||
Net Assets | 16,083 | 17,908 | 16,083 | 17,908 | |||||||
Long-lived assets, net | 918 | 1,440 | 918 | 1,440 | |||||||
Rest Of The World [Member] | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Revenues | 9,444 | 10,092 | 11,942 | ||||||||
Net Assets | 15,351 | 18,866 | 15,351 | 18,866 | |||||||
Long-lived assets, net | 3,341 | 3,907 | 3,341 | 3,907 | |||||||
Total [Member] | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Revenues | 104,521 | 108,664 | $ 108,663 | ||||||||
Net Assets | 72,196 | 77,598 | 72,196 | 77,598 | |||||||
Long-lived assets, net | $ 21,767 | $ 26,774 | $ 21,767 | $ 26,774 |