Segment Information (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Segment Information (Details 2) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Total consolidated depreciation and amortization expenses	$ 39	$ 46	$ 78	$ 97
United States [Member]
Segment Reporting Information [Line Items]
Total consolidated depreciation and amortization expenses	33	39	66	82
Canada [Member]
Segment Reporting Information [Line Items]
Total consolidated depreciation and amortization expenses	1	1	2	2
U.K. [Member]
Segment Reporting Information [Line Items]
Total consolidated depreciation and amortization expenses	5	6	10	13
Other foreign markets [Member]
Segment Reporting Information [Line Items]
Total consolidated depreciation and amortization expenses