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
Mar. 31, 2014
Dec. 18, 2013
Jun. 30, 2013
Nov. 12, 2013
Before Antidilution Adjustment [Member]
Nov. 12, 2013
After Antidilution Adjustment [Member]
Jan. 31, 2012
Warrant Exercise Inducement [Member]
Nov. 30, 2013
Private Placement Offering [Member]
Stockholders’ Equity [Line Items]                
Preferred Stock, Shares Authorized   1,000,000   1,000,000        
Common Stock, Shares Authorized   175,000,000 175,000,000 100,000,000        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   15,000,000            
Class of Warrant or Right, Exercise Price of Warrants or Rights   1.38   1.23 0.88 0.40 0.88  
Stock Issued During Period Shares Common Stock Warrants Exercised   12,600,000            
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