Segment reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Revenue from External Customers	$ 56	$ 217	$ 269	$ 264
Cost of Revenue	63	96	99	100
Gross (loss)/profit	(7)	121	170	164
Operating loss	(1,130)	(2,417)	(1,807)	(5,012)
Cash and cash equivalents	5,658	5,704	5,658	5,704	3,704	8,434
Intangible assets	1,802		1,802		0
Medicsights [Member]
Cash and cash equivalents	2,434		2,434
Medicsights [Member] | Software and Devices [Member]
Revenue from External Customers	13	217	206	264
Cost of Revenue	0	96	36	100
Gross (loss)/profit	13	121	170	164
Operating loss	(472)	(1,996)	(956)	(4,262)
Cash and cash equivalents	2,434		2,434		3,123
Intangible assets	0		0		0
Medicsights [Member] | Service [Member]
Revenue from External Customers	43	0	63	0
Cost of Revenue	63	0	63	0
Gross (loss)/profit	(20)	0	0	0
Operating loss	(27)	0	(14)	0
Cash and cash equivalents	0		0		0
Intangible assets	0		0		0
Mgt Gaming [Member]
Revenue from External Customers	0	0
Cost of Revenue	0	0		0
Gross (loss)/profit	0	0	0	0
Operating loss	(69)	0	(69)	0
Cash and cash equivalents	0		0		0
Intangible assets	1,802		1,802		0
Unallocated Corporate Other [Member]
Revenue from External Customers	0	0	0	0
Cost of Revenue	0	0	0	0
Gross (loss)/profit	0	0	0	0
Operating loss	(562)	(421)	(768)	(750)
Cash and cash equivalents	3,224		3,224		581
Intangible assets	$ 0		$ 0		$ 0