Segment Information (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Segment Information (Details 2) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Total consolidated depreciation and amortization expenses	$ 38	$ 38	$ 140	$ 108
North America [Member]
Segment Reporting Information [Line Items]
Total consolidated depreciation and amortization expenses	24	26	96	79
U.K. [Member]
Segment Reporting Information [Line Items]
Total consolidated depreciation and amortization expenses	13	11	41	25
Other foreign markets [Member]
Segment Reporting Information [Line Items]
Total consolidated depreciation and amortization expenses	$ 1	$ 1	$ 3	$ 4