Segment reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Revenue from external customers	$ 40	$ 67	$ 193	$ 336
Cost of revenue	(118)	(53)	(201)	(152)
Gross margin	(78)	14	(8)	184
Operating profit/(loss)	(2,902)	(811)	(7,137)	(2,618)
Cash and cash equivalents	5,049	4,864	5,049	4,864	3,443	3,704
Intangible assets	2,488		2,488		1,795
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)	(349)	(77)	(675)	(146)
Cash and cash equivalents	18		18		49
Intangible assets	1,642		1,642		1,795
Medicsights [Member] | Software and Devices [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	4	9	42	215
Cost of revenue	0	0	0	(36)
Gross margin	4	9	42	179
Operating profit/(loss)	4	(240)	27	(1,133)
Cash and cash equivalents	907		907		330
Intangible assets	0		0		0
Medicsights [Member] | Service [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	0	58	97	121
Cost of revenue	0	53	(63)	(116)
Gross margin	0	5	34	5
Operating profit/(loss)	0		27	(77)
Cash and cash equivalents	0		0		0
Intangible assets	0		0		0
Mgt Gaming [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	36	0	54	0
Cost of revenue	(118)	0	(138)	0
Gross margin	(82)	0	(84)	0
Operating profit/(loss)	(419)	0	(560)	0
Cash and cash equivalents	231		231		0
Intangible assets	391		391		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)	(2,138)	(494)	(5,956)	(1,262)
Cash and cash equivalents	3,893		3,893		3,064
Intangible assets	$ 455		$ 455		$ 0