Non-controlling interest (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Non-controlling interest at January 1, 2013	$ 768
Acquisition of 63.12% of membership interest in FanTD	1,882
Acquisition of 51% of membership interest in MGTI	191
Non-controlling share of losses	(379)
Non-controlling interest at September 30, 2013	2,462
Mgt Gaming [Member]
Non-controlling interest at January 1, 2013	768
Acquisition of 63.12% of membership interest in FanTD	0
Acquisition of 51% of membership interest in MGTI	0
Non-controlling share of losses	(135)
Non-controlling interest at September 30, 2013	633
FanTD LLC [Member]
Non-controlling interest at January 1, 2013	0
Acquisition of 63.12% of membership interest in FanTD	1,882
Acquisition of 51% of membership interest in MGTI	0
Non-controlling share of losses	(206)
Non-controlling interest at September 30, 2013	1,676
MGTI [Member]
Non-controlling interest at January 1, 2013	0
Acquisition of 63.12% of membership interest in FanTD	0
Acquisition of 51% of membership interest in MGTI	191
Non-controlling share of losses	(38)
Non-controlling interest at September 30, 2013	$ 153