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 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 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 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 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 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