Segment reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenue from external customers	$ 85	$ 86
Cost of revenue	(49)	(63)
Gross margin	36	23
Operating profit/(loss )	(1,305)	(1,138)
Cash and cash equivalents	3,220	2,678	4,642	3,443
Property and equipment	34		45
Intangible assets	2,306		2,423
Goodwill	6,444		6,444
Additions:
Property and equipment	0
Intangible assets	0
Goodwill	0
Intellectual Property [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	0	0
Cost of revenue	0	0
Gross margin	0	0
Operating profit/(loss )	(101)	(121)
Cash and cash equivalents	21		6
Property and equipment	0		0
Intangible assets	1,931		2,007
Goodwill	0		0
Additions:
Property and equipment	0
Intangible assets	0
Goodwill	0
Medicsights Ltd [Member] | Software and Devices [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	43	11
Cost of revenue	0	0
Gross margin	43	11
Operating profit/(loss )	43	(4)
Cash and cash equivalents	0		0
Property and equipment	0		0
Intangible assets	0		0
Goodwill	0		0
Additions:
Property and equipment	0
Intangible assets	0
Goodwill	0
Medicsights Ltd [Member] | Services [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	0	75
Cost of revenue	0	(63)
Gross margin	0	12
Operating profit/(loss )	0	5
Cash and cash equivalents	0		0
Property and equipment	0		0
Intangible assets	0		0
Goodwill	0		0
Additions:
Property and equipment	0
Intangible assets	0
Goodwill	0
Mgt Gaming [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	42	0
Cost of revenue	(49)	0
Gross margin	(7)	0
Operating profit/(loss )	(373)	0
Cash and cash equivalents	223		338
Property and equipment	22		28
Intangible assets	375		416
Goodwill	6,444		6,444
Additions:
Property and equipment	0
Intangible assets	0
Goodwill	0
Unallocated Corporate Other [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	0	0
Cost of revenue	0	0
Gross margin	0	0
Operating profit/(loss )	(874)	(1,018)
Cash and cash equivalents	2,976		4,298
Property and equipment	12		17
Intangible assets	0		0
Goodwill	0		0
Additions:
Property and equipment	0
Intangible assets	0
Goodwill	$ 0