Non-controlling interest (Tables)

6 Months Ended

Jun. 30, 2012

Noncontrolling Interest [Abstract]

Schedule of Stockholders Equity [Table Text Block]

The Company has the following non-controlling interests:

	MGT Gaming			Medicsight			Total
Non-controlling interest at January1,2011	$	—		$	5,293		$	5,293
Non-controlling share of losses		(31	)		(381	)		(412	)
Non-controlling share of capital		819			—			819
Non-controlling share of stock-based expense		—			15			15
Non-controlling share of other comprehensive loss		—			32			32
Share consolidation of Medicsight’s stock		—			(1,386	)		(1,386	)
Non-controlling interest at June30,2012	$	788		$	3,573		$	4,361

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block]

The following schedule presents the effects of changes in MGT’s ownership interest in Medicsight on the equity attributable to MGT:

	Six months ended
	June 30, 2012			June 30, 2011
Net loss attributable to MGT Capital Investments, Inc.	$	(1,496	)	$	(2,942	)
Transfers (to) from the non-controlling interest:
Increase in MGT’s paid in capital from sale and assignment of Medicsight’s stock		—			21
Increase in MGT’s paid in capital from Medicsight Share Consolidation		2,392			—
Changes from the net loss attributable to MGT Capital Investments, Inc. and transfers from non-controlling interest	$	896		$	(2,921	)