Asset purchase and acquisition of a business (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended					1 Months Ended	9 Months Ended			1 Months Ended	9 Months Ended			9 Months Ended		1 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Jun. 25, 2013	May 20, 2013	Dec. 31, 2012	May 31, 2013 Digital Angel Corporation [Member]	Sep. 30, 2013 Digital Angel Corporation [Member]	Sep. 30, 2012 Digital Angel Corporation [Member]	May 02, 2013 Digital Angel Corporation [Member]	May 20, 2013 FanTD LLC [Member]	Sep. 30, 2013 Fantasy Sports Live [Member]	Sep. 30, 2012 Fantasy Sports Live [Member]	Jul. 23, 2013 Daily Joust, Inc [Member]	Sep. 30, 2013 MGT Interactive [Member]	Sep. 03, 2013 MGT Interactive [Member]	Sep. 30, 2013 Gioia [Member]	Sep. 30, 2013 Gioia [Member]	Sep. 03, 2013 Gioia [Member]
Stock Issued During Period, Shares, Restricted Stock Award, Gross						50,000
Common stock, $0.001 par value; 75,000,000 shares authorized; 7,606,100 and 3,251,187 shares issued and outstanding at September 30, 2013 and December 31, 2012,respectively	$ 8				$ 3				$ 203
Business Acquisition, Percentage of Voting Interests Acquired				63.12%						63.12%
Business Acquisition Aggregate Purchase Consideration	3,220									3,220
Common Stock, Shares Issued	7,605,100				3,251,187					600,000
Common Stock, Par or Stated Value Per Share	$ 0.001				$ 0.001					$ 5.03
Cash Payment										3,018
Payments to Acquire Businesses, Gross										202
Noncontrolling Interest, Ownership Percentage by Parent										36.88%
Fair Value of Noncontrolling interest	1,882									1,882
Payments to Acquire Intangible Assets	89	0					136	0			30	0
Customer Deposits, Current			46
Business Acquisition Purchase Price Allocation Of Current Assets Cash And Cash Equivalents													50
Business Acquisition Purchase Price Allocation Customer Deposits													136
Business Acquisition Purchase Price Allocation Customer Liability													136
Real Deal Poker technology number of decks created per minute														16,000
Equity Method Investment, Ownership Percentage	100.00%														51.00%			49.00%
Proceeds from Partnership Contribution														200,000
Equity Method Investment Additional Ownership Percentage															14.00%			14.00%
Business Combination, Consideration Transferred, Total														300,000			500,000
Consulting Agreement, consulting fee																10,000
Consulting Agreement, consulting fee paid in cash																5,000
Consulting Agreement, consulting fee, deferred payment																$ 5,000