Segment reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011		Dec. 31, 2010
Revenue from external customers	$ 67	$ 167	$ 336	$ 431
Cost of revenue	53	5	152	105
Gross profit	14	162	184	326
Operating loss	(712)	(1,948)	(2,519)	(6,960)
Cash and cash equivalents	4,864	3,536	4,864	3,536	3,704	[1]	8,434
Intangible assets	1,753		1,753		0	[1]
Medicsights [Member]
Cash and cash equivalents	2,372		2,372
Medicsights [Member] | Software and Devices [Member]
Revenue from external customers	9	167	215	431
Cost of revenue	0	5	36	105
Gross profit	9	162	179	326
Operating loss	(240)	(1,614)	(1,196)	(6,202)
Cash and cash equivalents	2,372		2,372		3,123
Intangible assets	0		0		0
Medicsights [Member] | Service [Member]
Revenue from external customers	58	0	121	0
Cost of revenue	53	0	116	0
Gross profit	5	0	5	0
Operating loss	0	0	(14)	0
Cash and cash equivalents	0		0		0
Intangible assets	0		0		0
Mgt Gaming [Member]
Revenue from external customers	0	0	0	0
Cost of revenue	0	0	0	0
Gross profit	0	0	0	0
Operating loss	(75)	0	(144)	0
Cash and cash equivalents	72		72		0
Intangible assets	1,752		1,752		0
Unallocated Corporate Other [Member]
Revenue from external customers	0	0	0	0
Cost of revenue	0	0	0	0
Gross profit	0	0	0	0
Operating loss	(397)	(334)	(1,165)	(758)
Cash and cash equivalents	2,420		2,420		581
Intangible assets	$ 0		$ 0		$ 0

[1] Derived from audited financial information