Non-controlling interest (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	9 Months Ended							0 Months Ended
	Sep. 09, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 M2P Americas [Member]	Dec. 04, 2013 M2P Americas [Member]	Dec. 04, 2013 M2P Entertainment [Member]	May 31, 2014 Exercised By M2P [Member]	Sep. 30, 2014 M2P [Member]	Feb. 10, 2014 FanTD to MGT Sports [Member] Separation Agreement [Member]	Sep. 09, 2014 FanTD [Member]	Feb. 10, 2014 FanTD [Member]
Noncontrolling Interest [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired					50.10%	49.90%				16.00%
Option To Purchase Ownership Percentage				4.00%					5.00%
Strategic Alliance Agreement Term				20 years
Equity Method Investment, Ownership Percentage				40.10%			10.00%	59.90%
Exchange Of Shares In Transfer Of Units									52,500
Exchange Of Shares In Transfer Of Units, Value									$ 103		$ 266
Exchange Of Shares In Transfer Of Units, Per Share Value									$ 1.96
Payments to Acquire Businesses, Gross		600	0							7
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	$ 885