Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Intangible assets
Gross Carrying Amount	$ 7,135		$ 7,135		$ 7,187
Accumulated Amortization	(4,783)		(4,783)		(4,333)
Total	2,352		2,352		2,854
Amortization of Intangible Assets	236	$ 250	486	$ 499
Goodwill
Goodwill	3,520		3,520		$ 3,624
Foreign currency exchange rate effect			(104)
Australia
Goodwill
Goodwill	1,600		1,600
Intangible Assets, Net (Excluding Goodwill)	200		$ 200
Trademarks
Intangible assets
Weighted-Average Amortization Period			5 years		5 years
Gross Carrying Amount	1,995		$ 1,995		$ 2,001
Accumulated Amortization	(801)		(801)		(604)
Total	1,194		$ 1,194		$ 1,397
Customer relationships
Intangible assets
Weighted-Average Amortization Period			5 years		5 years
Gross Carrying Amount	1,300		$ 1,300		$ 1,300
Accumulated Amortization	(498)		(498)		(368)
Total	802		802		932
Non-compete agreements
Intangible assets
Gross Carrying Amount	107		107		108
Accumulated Amortization	(69)		(69)		(52)
Total	38		$ 38		$ 56
Non-compete agreements | Minimum
Intangible assets
Weighted-Average Amortization Period			3 years		3 years
Non-compete agreements | Maximum
Intangible assets
Weighted-Average Amortization Period			5 years		5 years
Technology
Intangible assets
Weighted-Average Amortization Period			5 years		5 years
Gross Carrying Amount	673		$ 673		$ 718
Accumulated Amortization	(516)		(516)		(467)
Total	157		$ 157		$ 251
Other intangibles
Intangible assets
Weighted-Average Amortization Period			3 years		3 years
Gross Carrying Amount	373		$ 373		$ 373
Accumulated Amortization	(215)		(215)		(158)
Total	158		$ 158		$ 215
Domain names
Intangible assets
Weighted-Average Amortization Period			5 years		5 years
Gross Carrying Amount	2,687		$ 2,687		$ 2,687
Accumulated Amortization	(2,684)		(2,684)		(2,684)
Total	$ 3		$ 3		$ 3