Segment reporting (restated) (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	Jun. 30, 2012	Dec. 31, 2011		Dec. 31, 2010
Revenue from external customers	$ 67	$ 167	$ 336	$ 431
Cost of revenue	53	5	152	105
Gross Margin	14	162	184	326
Operating loss	(811)	(1,948)	(2,618)	(6,960)
Cash and cash equivalents	4,864	3,536	4,864	3,536	4,864	3,704	[1]	8,434
Intangible assets	1,845		1,845		1,845	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 Margin	9	162	179	326
Operating loss	(240)	(1,614)	(1,196)	(6,202)
Cash and cash equivalents					2,372	3,123
Intangible assets					0	0
Medicsights [Member] | Service [Member]
Revenue from external customers	58	0	121	0
Cost of revenue	53	0	116	0
Gross Margin	5	0	5	0
Operating loss	0	0	(14)	0
Cash and cash equivalents					0	0
Intangible assets					0	0
Mgt Gaming [Member]
Revenue from external customers	0	0	0	0
Cost of revenue	0	0	0	0
Gross Margin	0	0	0	0
Operating loss	(77)	0	(146)	0
Cash and cash equivalents					72	0
Intangible assets					1,845	0
Unallocated Corporate Other [Member]
Revenue from external customers	0	0	0	0
Cost of revenue	0	0	0	0
Gross Margin	0	0	0	0
Operating loss	(494)	(334)	(1,262)	(758)
Cash and cash equivalents					2,420	581
Intangible assets					$ 0	$ 0

[1] Derived from audited financial information