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Equity (10Q) (Details 8) - $ / shares
shares in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Sep. 30, 2014
Dec. 31, 2013
Dec. 31, 2012
Class of Warrant or Right [Line Items]          
Number of Warrants Outstanding and Excercisable 190 171 139 62 121
Weighted Average Remaining Life Of Warrants Or Rights 1 year 5 months 23 days 1 year 10 months 20 days      
Warrants Weighted Average Exercise Price $ 33.00 $ 35.500 $ 35.75 $ 36.125 $ 33.625
Warrants Group One [Member]          
Class of Warrant or Right [Line Items]          
Number of Warrants Outstanding and Excercisable 22 7      
Weighted Average Remaining Life Of Warrants Or Rights 2 years 6 months 7 days 1 year 11 months 12 days      
Warrants Weighted Average Exercise Price $ 28.125 $ 34.375      
Warrants Group Two [Member]          
Class of Warrant or Right [Line Items]          
Number of Warrants Outstanding and Excercisable 155 164      
Weighted Average Remaining Life Of Warrants Or Rights 1 year 3 months 4 days 6 months 7 days      
Warrants Weighted Average Exercise Price $ 34.375 $ 62.500      
Warrants Group Three [Member]          
Class of Warrant or Right [Line Items]          
Number of Warrants Outstanding and Excercisable 3        
Weighted Average Remaining Life Of Warrants Or Rights 1 month 17 days        
Warrants Weighted Average Exercise Price $ 62.50        
Warrants Group Four [Member]          
Class of Warrant or Right [Line Items]          
Number of Warrants Outstanding and Excercisable 10        
Weighted Average Remaining Life Of Warrants Or Rights 2 years 9 months 29 days        
Warrants Weighted Average Exercise Price $ 15.625