Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Indefinite lived intangible assets:
Indefinite lived intangible assets	$ 497	$ 515
Definite lived intangible assets:
Finite lived intangible assets, Gross Carrying Amount	5,297	5,108
Finite-Lived Intangible Assets, Accumulated Amortization	(1,640)	(806)
Finite lived intangible assets, Net Cost	3,657	4,302
Total intangible assets, Gross Carrying Amount	5,794	5,623
Total intangible assets, Net Cost	4,154	4,817
Amortization expense	800	400	$ 2,500
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2017	800
2018	700
2019	500
2020	500
Thereafter	1,200
Customer and advertiser relationships
Definite lived intangible assets:
Finite lived intangible assets, Gross Carrying Amount	3,743	3,743
Finite-Lived Intangible Assets, Accumulated Amortization	(1,095)	(556)
Finite lived intangible assets, Net Cost	2,648	3,187
Media content
Definite lived intangible assets:
Finite lived intangible assets, Gross Carrying Amount	325	325
Finite-Lived Intangible Assets, Accumulated Amortization	(179)	(114)
Finite lived intangible assets, Net Cost	146	211
Patents and developed technology
Definite lived intangible assets:
Finite lived intangible assets, Gross Carrying Amount	430	430
Finite-Lived Intangible Assets, Accumulated Amortization	(217)	(56)
Finite lived intangible assets, Net Cost	213	374
Service contracts and other
Definite lived intangible assets:
Finite lived intangible assets, Gross Carrying Amount	94	94
Finite-Lived Intangible Assets, Accumulated Amortization	(75)	(66)
Finite lived intangible assets, Net Cost	19	28
Trademarks and trade names
Definite lived intangible assets:
Finite lived intangible assets, Gross Carrying Amount	705	516
Finite-Lived Intangible Assets, Accumulated Amortization	(74)	(14)
Finite lived intangible assets, Net Cost	631	502
Trade names
Indefinite lived intangible assets:
Indefinite lived intangible assets	480	480
URLs
Indefinite lived intangible assets:
Indefinite lived intangible assets	$ 17	35
Trade Name and Internet Domain Name [Member]
Definite lived intangible assets:
Impairment charges		$ 300	$ 200