Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.3.1.900
Subsequent Events (Details) - Notes - Notes Due February 1, 2033 - $ / shares
1 Months Ended 12 Months Ended
Apr. 01, 2015
Aug. 30, 2013
Jan. 31, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Subsequent Event [Line Items]            
Common stock trigger price $ 9.19     $ 9.19    
Convertible debt, threshold percentage of stock price trigger 130.00%   130.00% 130.00%    
Conversion price $ 7.07   $ 7.07 $ 7.07 $ 7.07 $ 7.07
Number of consecutive trading days applicable conversion price 30 days          
Conversion rate   14148.00% 14148.27% 14148.27% 14148.27% 14148.27%
Minimum            
Subsequent Event [Line Items]            
Number of trading days     20 days 20 days    
Maximum            
Subsequent Event [Line Items]            
Number of consecutive trading days applicable conversion price     30 days 30 days