Organization and basis of presentation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	6 Months Ended
	Jul. 22, 2015	Jun. 30, 2015
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Business Combination, Contingent Consideration Arrangements, Description		(i) a cash payment in the amount of $4,000,000 plus $10,000 per day for the period starting July 15, 2015 and ending on the closing date, (ii) shares of common stock representing up to 7% of RO, and (iii) a three–year warrant to purchase 500,000 shares of RO common stock at an exercise price of $1.00, a three–year warrant to purchase 500,000 shares of RO common stock at an exercise price of $1.33, and a three–year warrant to purchase 500,000 shares of RO common stock at an exercise price of $1.66. In addition, shares of common stock representing 3% of RO will be placed in escrow for twelve months in order to support certain indemnification obligations under the Agreement.
Three Year Warrant one [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 1.00
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		500,000
Three Year Warrant Two [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 1.33
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		500,000
Three Year Warrant Three [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 1.66
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		500,000
MGT Sports, Inc [Member] | Series A Preferred Stock [Member] | Subsequent Event [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Asset Purchase Agreement, Description of Stock Transaction		Holders may convert the preferred stock into 6.25% of MGT Sports’ issued and outstanding common stock at any time and shall not be entitled to voting rights. MGT Sports may redeem the preferred stock at 100% of the stated value, and holders may redeem the preferred stock at 100% of the stated value following closing of the RO Agreement.
Preferred Stock, Liquidation Preference, Value	$ 250,000
Stock Issued During Period, Value, New Issues	250,000
Sale of Stock, Consideration Received on Transaction	$ 250,000