Summary of significant accounting policies (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Cash and cash equivalents	$ 0	$ 807
Other current assets	0	30
Property and equipment	0	32
Intangible assets	0	809
Goodwill - Discontinued operations	0	4,948
Total assets	5,526	6,626
Accounts payable	0	46
Player deposits	0	942
Total liabilities	$ 0	$ 988