Non-controlling interest (restated) (Tables)

9 Months Ended

Sep. 30, 2012

Noncontrolling Interest [Abstract]

Schedule of Stockholders Equity [Table Text Block]

The Company has the following non-controlling interests:

	MGT Gaming (Restated)			Medicsight			Total (Restated)
Non-controlling interest at January 1, 2011	$	–		$	5,293		$	5,293
Non-controlling share of losses		(65	)		(461	)		(526	)
Non-controlling share of capital		862			–			862
Non-controlling share of stock-based expense		–			15			15
Non-controlling share of other comprehensive loss		–			33			33
Purchases of Medicsight’s stock		–			(1,115	)		(1,115	)
Share consolidation of Medicsight’s stock		–			(1,386	)		(1,386	)
Non-controlling interest at September 30, 2012	$	797		$	2,379		$	3,176

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:

	Nine months ended September 30,
	2012			2011
Net loss attributable to MGT Capital Investments, Inc.	$	(2,471	)	$	(4,144	)
Transfers (to) from the non-controlling interest:
Increase in MGT’s paid-in capital from sale and assignment of Medicsight Stock		–			21
Increase in MGT’s paid-in capital from Medicsight Share Consolidation		2,392			–
Increase in MGT’s paid-in capital from repurchase of Medicsight Shares		1,973			–
Changes from the net loss attributable to MGT Capital Investments, Inc. and transfers to the  non-controlling interest	$	1,894		$	(4,123	)