Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details Textual)

v2.4.0.8
Subsequent Events (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended
Apr. 09, 2012
Series Warrants [Member]
Institutional Investor [Member]
Oct. 08, 2014
Subsequent Event [Member]
Oct. 08, 2014
Subsequent Event [Member]
Series Warrants [Member]
Institutional Investor [Member]
Subsequent Event [Line Items]      
Underwritten Public Offering, Number of Units Issued   21,000,000  
Underwritten Public Offering, Offering Price of Units Issued   $ 0.50  
Underwritten Public Offering, Description of Units Issued   each unit consisting of one share of common stock and 0.75 of a warrant, each full warrant to purchase one share of common stock at an exercise price of $0.60 per share.  
Underwritten Public Offering, Proceeds from Units Issued   $ 9.6  
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 1.15   $ 0.89