Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

v2.4.0.8
Stockholders' Equity (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified
 1 Months Ended 1 Months Ended
Oct. 31, 2013
Dec. 31, 2013
Dec. 18, 2013
Jun. 30, 2013
Jan. 31, 2012
Warrant Exercise Inducement [Member]
Nov. 12, 2013
Before Adjustment [Member]
Warrant Exercise Inducement [Member]
Nov. 12, 2013
After Adjustment [Member]
Warrant Exercise Inducement [Member]
Nov. 30, 2013
Private Placement Offering [Member]
Preferred Stock, Shares Authorized   1,000,000   1,000,000        
Common Stock, Shares Authorized   175,000,000   100,000,000        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   15,000,000 175,000,000          
Class of Warrant or Right, Outstanding   12,558,661   25,395,940        
Class of Warrant or Right, Exercise Price of Warrants or Rights   1.23   1.23 0.88 0.88 0.40  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 7,750,000              
Stock Issued During Period, Value, Stock Options Exercised $ 3.1              
Sale of Stock, Number of Shares Issued in Transaction               1,200,000
Sale of Stock, Price Per Share               $ 0.40
Proceeds from Issuance of Private Placement               $ 0.5
Preferred Stock, Shares Issued   0   0        
Preferred Stock, Shares Outstanding, Ending Balance   0   0