XML 29 R81.htm IDEA: XBRL DOCUMENT v2.4.0.6
Warrant Liability (Details Textual) (USD $)
 1 Months Ended 6 Months Ended 12 Months Ended
Nov. 30, 2009
Nov. 30, 2008
Dec. 31, 2012
Jun. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Warrant Liability (Textual) [Abstract]            
Gross proceeds       $ 3,375,000 $ 6,256,438  
Exercise price 15.00 23.00     1.40  
Warrant Liability (Additional Textual) [Abstract]            
Number of shares of common stock in each unit sold to institutional investors   1        
Number of warrants in each unit sold to institutional investors 1          
Number of shares of common stock in each unit issued in public offering           1
Number of series A warrants in each unit issued in public offering           1
Number of common stock shares under one series A warrant issued in public offering           1
Units sold to institutional investors 1,000,000 1,379,310        
Price per unit sold to institutional investors $ 12.50 $ 14.50        
Total proceeds, net of offering expenses and placement agency fees 11,985,000 18,637,000        
Date of issuance warrant           90th trading day
Number of units sold through public offering           8,000,000
Series A Warrants [Member]
            
Warrant Liability (Textual) [Abstract]            
Gross proceeds     3,078,000   3,078,000  
Number of shares of common stock       2,700,000 2,700,000  
Exercise price of common stock           $ 1.40
Number of warrants issued         2,198,571  
Warrants issued       2,700,000 2,198,571  
Series B Warrant [Member]
            
Warrant Liability (Textual) [Abstract]            
Gross proceeds $ 12,500,000 $ 20,000,000     $ 3,375,000 $ 10,000,000
Number of shares of common stock 0.40 0.75 2,198,571   2,700,000  
Warrants issued 400,000 1,034,483        
Warrants sold at public offering price           1.25
Exercise price of warrant       1.40   1.25
Number of warrants issued       2,700,000 2,700,000  
Number of units raised through public offering           8,000,000
Unissued warrant at the period end     5,300,000   5,300,000