Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Summary of Shares Issued Series C Convertible Preferred Stock (Details)

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Subsequent Events - Summary of Shares Issued Series C Convertible Preferred Stock (Details) - Series C Convertible Preferred Stock [Member] - USD ($)
12 Months Ended
Dec. 31, 2014
Dec. 23, 2014
Dec. 31, 2013
Preferred stock shares issued 60,250 60,250 0
Subsequent Event [Member]      
Settlement of accrued registration rights penalty and related interest on October and December 2013 common stock sales 20,697    
Satisfaction of accrued liabilities $ 4,300    
Preferred stock shares issued 60,080    
Subsequent Event [Member] | Chief Operating Officer [Member]      
Dividends 750    
Subsequent Event [Member] | Securities Purchase Agreement Date July 24, 2015 [Member]      
Dividends 9,223    
Subsequent Event [Member] | Securities Purchase Agreement Date October 14, 2015 [Member]      
Dividends 18,333    
Subsequent Event [Member] | December 23, 2014 through December 31, 2014 [Member]      
Dividends 208    
Subsequent Event [Member] | Quarter ended March 31, 2015 [Member]      
Dividends 2,020    
Subsequent Event [Member] | Quarter ended June 30, 2015 [Member]      
Dividends 2,124    
Subsequent Event [Member] | Quarter ended September 30, 2015 [Member]      
Dividends 2,425