CONDENSED CONSOLIDATED STATEMENT OF REDEEMABLE PREFERRED STOCK AND STOCKHOLDERS' (DEFICIT)/EQUITY (USD $) In Thousands	Total	Series A Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Parent [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2012	$ (143)	$ 47	$ 3	$ 282,998	$ (281)	$ (283,631)	$ (911)	$ 768
Balance (in shares) at Dec. 31, 2012		1,395	3,251
Reclassification of derivative liability- preferred series A warrants into equity	8,206			8,206			8,206
Reclassification of derivative liability- J&S warrants into equity	1,164			1,164			1,164
Quarterly dividends on preferred stock	(69)	69		(69)			(69)
Quarterly dividends on preferred stock (in shares)		20
Conversion of series A preferred stock to common stock	0		2	(2)			0
Conversion of series A preferred stock to common stock (in shares)		(1,400)	1,400
Exercise of warrants - to common stock	440			440			440
Exercise of warrants - to common stock (in shares)			237
Exercise of series A preferred stock warrants to common stock	2,761		1	2,760			2,761
Exercise of series A preferred stock warrants to common stock (in shares)			716
Stock issued for asset purchase - Digital Angel	202			202			202
Stock issued for asset purchase - Digital Angel (in shares)			50
Stock issued for acquisition - FanTD LLC	4,900			3,018			3,018	1,882
Stock issued for acquisition - FanTD LLC (in shares)			600
Investment in MGT Interactive, LLC	191							191
Stock issued for services	1,316			1,316			1,316
Stock issued for services (in shares)	16,611		294
Exchange of warrants			1	(1)
Exchange of warrants (in shares)			895
Stock-based compensation-modification of Preferred series A warrants	599		1	598			599
Stock-based compensation-modification of Preferred series A warrants (in shares)			162
Stock-based compensation - employees	1,054			1,054			1,054
Net loss for the period	(8,551)					(8,172)	(8,172)	(379)
Balance at Sep. 30, 2013	$ 12,070	$ 116	$ 8	$ 301,684	$ (281)	$ (291,803)	$ 9,608	$ 2,462
Balance (in shares) at Sep. 30, 2013		15	7,605