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New York Stock Exchange Compliance (Details)
Jul. 01, 2016
USD ($)
$ / shares
Jun. 10, 2016
May 27, 2016
Apr. 29, 2016
$ / shares
Sep. 30, 2016
USD ($)
May 17, 2016
USD ($)
Dec. 31, 2015
USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]              
NASDAQ listing rules, minimum closing bid price (USD per share) | $ / shares $ 1.00     $ 1.00      
NASDAQ listing rules, number of consecutive business days       30 days      
NASDAQ listing rules, minimum market value of publicly held shares           $ 50,000,000  
Stockholders' equity $ 50,000,000       $ (519,661,000)   $ (39,789,000)
Stock split, conversion ratio   0.1 0.1