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Nature of Business (Details) - USD ($)
$ in Thousands
1 Months Ended
Mar. 31, 2015
Sep. 30, 2015
Dec. 31, 2014
Dec. 31, 2013
NATURE OF BUSINESS        
Maximum period automatic stay in effect 30 months      
Deficit accumulated        
Deficit accumulated   $ 119,483 $ 101,753 $ 80,536