Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net revenue:
Online advertising	$ 30,157	$ 25,972	$ 26,218	$ 26,837	$ 28,026	$ 25,038	$ 24,725	$ 23,916	$ 109,184	$ 101,705	$ 89,549
Transactions	5,079	7,105	6,431	4,204	3,434	4,809	4,163	2,294
Merchandise					0	0	0	878	0	878	15,908
Publishing and other	5,772	3,654	6,059	4,628	6,686	4,859	7,302	5,514	20,113	24,361	27,837
Total net revenue	41,008	36,731	38,708	35,669	38,146	34,706	36,190	32,602	152,116	141,644	143,664
Gross profit	37,969	34,746	35,704	33,943	35,310	32,656	33,344	29,947	142,362	131,257	122,469
Net income	$ 3,422	$ 1,908	$ 3,765	$ 3,025	$ (2,158)	$ 2,866	$ 3,311	$ 1,445	$ 12,120	$ 5,464	$ 462
Net income per share(1)
Basic (usd per share)	$ 0.14	$ 0.08	$ 0.15	$ 0.12	$ (0.09)	$ 0.11	$ 0.13	$ 0.06	$ 0.48	$ 0.22	$ 0.02
Diluted (usd per share)	$ 0.13	$ 0.07	$ 0.15	$ 0.12					$ 0.47	$ 0.21	$ 0.02
Touch Media International Holdings
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other than temporary impairment									$ 4,000		$ 4,000