Organization, basis of presentation and liquidity (Details Textual) (USD $)	9 Months Ended
	Sep. 30, 2012	Oct. 09, 2012	Dec. 31, 2011		Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2012 Medicsights [Member]	Nov. 02, 2012 Mgt [Member]	Sep. 30, 2012 Mgt [Member]
Business Acquisition, Effective Date of Acquisition	Jun. 01, 2012
Number Of Shares Holding By Parent Result Of Reverse Stock Split	369
Percentage Of Number Of Shares Holding By Parent Result Of Issued Share Capital	77.00%
Common stock, shares issued	2,484,187	100,000	2,108,187				478	453,000
Accumulated deficit	$ (282,413,000)		$ (280,027,000)	[1]
Cash and cash equivalents	4,864,000		3,704,000	[1]	3,536,000	8,434,000	2,372,000		2,492,000
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest	55.00%
Proceeds from Issuance or Sale of Equity	$ 5,900,000

[1] Derived from audited financial information