Liquidity and financial condition (Details Textual) (USD $)	3 Months Ended		1 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	May 31, 2014 Subsequent Event [Member]	May 15, 2014 Subsequent Event [Member]	Mar. 31, 2014 Mgt Gaming [Member]	Mar. 31, 2014 FanTD [Member]
Liquidity And Financial Condition [Line Items]
Accumulated deficit	$ (294,955,000)	$ (293,833,000)
Sale Of Stock Offering Price	8,500,000
Manager fee percentage on gross sales price	3.00%
Restricted cash	3,358,000				21,000	185,000
Sale of Stock, Number of Shares Issued in Transaction			58,251
Proceeds from Issuance of Common Stock			91,000
Common Stock, Value, Subscriptions				$ 8,400,000