Segment Information (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Total consolidated depreciation and amortization expenses	$ 216	$ 276
U.S.
Total consolidated depreciation and amortization expenses	190	264
Canada
Total consolidated depreciation and amortization expenses	3	1
U.K. and other foreign markets
Total consolidated depreciation and amortization expenses	$ 23	$ 11