Segment reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenue from external customers	$ 320	$ 67	$ 405	$ 153
Cost of revenue	(167)	(20)	(216)	(83)
Gross margin	153	47	189	70
Operating profit/(loss )	(1,527)	(3,097)	(2,832)	(4,235)
Cash and cash equivalents	2,425	6,348	2,425	6,348	4,642	3,443
Property and equipment	48		48		45
Intangible assets	2,913		2,913		2,423
Goodwill	6,444		6,444		6,444
Additions:
Property and equipment			24
Intangible assets			790
Goodwill			0	4,972
Intellectual Property [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	0	0	0	0
Cost of revenue	0	0	0	0
Gross margin	0	0	0	0
Operating profit/(loss )	(165)	(205)	(266)	(326)
Cash and cash equivalents	10		10		6
Property and equipment	0		0		0
Intangible assets	1,488		1,488		2,007
Goodwill	0		0		0
Additions:
Property and equipment			0
Intangible assets			0
Goodwill			0
Medicsights Ltd [Member] | Software and Devices [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	37	27	80	38
Cost of revenue	0	0	0	0
Gross margin	37	27	80	38
Operating profit/(loss )	37	27	80	23
Cash and cash equivalents	0		0		0
Property and equipment	0		0		0
Intangible assets	0		0		0
Goodwill	0		0		0
Additions:
Property and equipment			0
Intangible assets			0
Goodwill			0
Medicsights Ltd [Member] | Services [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	0	22	0	97
Cost of revenue	0	0	0	(63)
Gross margin	0	22	0	34
Operating profit/(loss )	0	22	0	27
Cash and cash equivalents	0		0		0
Property and equipment	0		0		0
Intangible assets	0		0		0
Goodwill	0		0		0
Additions:
Property and equipment			0
Intangible assets			0
Goodwill			0
Mgt Gaming [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	283	18	325	18
Cost of revenue	(167)	(20)	(216)	(20)
Gross margin	116	(2)	109	(2)
Operating profit/(loss )	(1,088)	(141)	(1,461)	(141)
Cash and cash equivalents	691		691		338
Property and equipment	38		38		28
Intangible assets	1,425		1,425		416
Goodwill	6,444		6,444		6,444
Additions:
Property and equipment			24
Intangible assets			790
Goodwill			0
Unallocated Corporate Other [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	0	0	0	0
Cost of revenue	0	0	0	0
Gross margin	0	0	0	0
Operating profit/(loss )	(311)	(2,800)	(1,185)	(3,818)
Cash and cash equivalents	1,724		1,724		4,298
Property and equipment	10		10		17
Intangible assets	0		0		0
Goodwill	0		0		0
Additions:
Property and equipment			0
Intangible assets			0
Goodwill			$ 0