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Equity (Details 3) - $ / shares
shares in Thousands
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, End of Period [Abstract]    
Number of Outstanding Options 107,600  
Outstanding Options, Weighted Average Remaining Contractual Term 4 years 7 months 2 days  
Outstanding Options, Weighted Average Exercise Price $ 0.0224 $ 0.0273
Exercise Price Range, Number of Exercisable Options 65,365  
Exercisable Options, Weighted Average Exercise Price $ 0.048  
Range One [Member]    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Range, Lower Range Limit 0.0100  
Exercise Price Range, Upper Range Limit $ 0.0200  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, End of Period [Abstract]    
Number of Outstanding Options 3,000  
Outstanding Options, Weighted Average Remaining Contractual Term 6 years 5 months 23 days  
Outstanding Options, Weighted Average Exercise Price $ 0.019  
Exercise Price Range, Number of Exercisable Options 334  
Exercisable Options, Weighted Average Exercise Price $ 0.020  
Range Two [Member]    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Range, Lower Range Limit 0.0210  
Exercise Price Range, Upper Range Limit $ 0.0300  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, End of Period [Abstract]    
Number of Outstanding Options 54,009  
Outstanding Options, Weighted Average Remaining Contractual Term 5 years 4 months 17 days  
Outstanding Options, Weighted Average Exercise Price $ 0.023  
Exercise Price Range, Number of Exercisable Options 20,850  
Exercisable Options, Weighted Average Exercise Price $ 0.025  
Range Three [Member]    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Range, Lower Range Limit 0.0310  
Exercise Price Range, Upper Range Limit $ 0.0600  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, End of Period [Abstract]    
Number of Outstanding Options 31,556  
Outstanding Options, Weighted Average Remaining Contractual Term 4 years 3 months 14 days  
Outstanding Options, Weighted Average Exercise Price $ 0.046  
Exercise Price Range, Number of Exercisable Options 25,147  
Exercisable Options, Weighted Average Exercise Price $ 0.046  
Range Four [Member]    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Range, Lower Range Limit 0.0610  
Exercise Price Range, Upper Range Limit $ 0.2000  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, End of Period [Abstract]    
Number of Outstanding Options 19,035  
Outstanding Options, Weighted Average Remaining Contractual Term 2 years 6 months 18 days  
Outstanding Options, Weighted Average Exercise Price $ 0.066  
Exercise Price Range, Number of Exercisable Options 19,034  
Exercisable Options, Weighted Average Exercise Price $ 0.066