Non-controlling interest (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Noncontrolling Interest [Line Items]
Non-controlling interest at January 1, 2015	$ 442
Non-controlling share of losses	(87)
Non-controlling interest at March 31, 2015	355
Mgt Gaming [Member]
Noncontrolling Interest [Line Items]
Non-controlling interest at January 1, 2015	370
Non-controlling share of losses	(87)
Non-controlling interest at March 31, 2015	283
MGT Interactive [Member]
Noncontrolling Interest [Line Items]
Non-controlling interest at January 1, 2015	92
Non-controlling share of losses	0
Non-controlling interest at March 31, 2015	92
M2P Americas [Member]
Noncontrolling Interest [Line Items]
Non-controlling interest at January 1, 2015	(20)
Non-controlling share of losses	0
Non-controlling interest at March 31, 2015	$ (20)