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EQUITY Share-based compensation expense (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Equity [Abstract]      
Research and development expense $ 81 $ 0 $ 0
Selling, general and administrative expense 774 458 [1] 690
Total stock compensation expense 855 458 690
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures   51  
Share based compensation expense included in Loss from Discontinued Operations from Coreworx     339
Share based compensation expense included in Loss from Discontinued Operations from CoaLogix   176 440
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 937    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 1 year 9 months 18 days    
[1] * Stock compensation expense in 2011 includes $51 with respect to stock granted to consultants.