XML 34 R35.htm IDEA: XBRL DOCUMENT v2.4.0.8
Equity Financings and Warrants (Details Textual) (USD $)
 12 Months Ended 144 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 24 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Feb. 03, 2014
Subsequent Event
Feb. 07, 2014
Subsequent Event
Feb. 28, 2014
Subsequent Event
Dec. 31, 2013
Warrant
Dec. 31, 2013
Minimum
Warrant
Dec. 31, 2013
Maximum
Warrant
Dec. 31, 2013
Weighted Average
Warrant
Dec. 31, 2013
Public Offering
Dec. 31, 2013
Public Offering
Series A Convertible Preferred Stock
Dec. 31, 2013
Public Offering
Dec. 31, 2005
Common Stock
Dec. 31, 2004
Common Stock
Dec. 31, 2003
Common Stock
Feb. 03, 2014
Common Stock
Subsequent Event
Dec. 31, 2013
Common Stock
Public Offering
Dec. 31, 2013
Preferred Stock
Public Offering
Aug. 02, 2012
2012 Equity Financings
Registered Direct Offering
Aug. 02, 2012
2012 Equity Financings
Registered Direct Offering
Common Stock
Dec. 18, 2012
2012 Equity Financings
PIPE Transaction
Oct. 22, 2012
2012 Equity Financings
PIPE Transaction
Dec. 18, 2012
2012 Equity Financings
PIPE Transaction
Common Stock
Oct. 22, 2012
2012 Equity Financings
PIPE Transaction
Common Stock
Jan. 31, 2013
2013 Equity Financings
Registered Direct Offering
Jan. 31, 2013
2013 Equity Financings
Registered Direct Offering
Common Stock
Jan. 22, 2013
2013 Equity Financings
PIPE Transaction
Jan. 22, 2013
2013 Equity Financings
PIPE Transaction
Common Stock
Dec. 31, 2013
Director And Chief Executive Officer
Public Offering
Equity financings and warrants (Textual) [Abstract]                                                            
Aggregate common stock sold 15,685,562 2,660,315 15,685,562                                 406,099   86,186 137,530     164,636   356,430    
Warrants available to purchase additional commons shares       1,279,057             6,250,000                 304,575   64,640 103,148     65,855   249,501   39,050
Aggregate gross proceeds       $ 8,700,000                               $ 953,000   $ 250,000 $ 325,000     $ 730,000   $ 1,000,000    
Proceeds from the issuance of common stock 1,741,000 1,528,000 15,850,000   7,900,000                             741,000   230,000 280,000     616,000   805,000    
Registered Direct Offering Close Date                                       Aug. 08, 2012           Feb. 04, 2013        
Purchase price for common stock unit       $ 1.70               $ 160               $ 2.35   $ 2.90 $ 2.36     $ 4.43   $ 2.81    
Warrant coverage ratio                         50       0.25       0.75     0.75 0.75   0.40   0.70  
Warrant price per share       2.125       1.60 116.89 2.32     1.60             2.76   2.34 1.80     4.13   2.28    
Public Equity Offering Close Date                                           Dec. 20, 2012 Oct. 25, 2012         Jan. 25, 2013    
Warrants were exercisable upon issuance, expiry year       5 years                                   7 years 5 years     5 years   7 years    
Closing bid price of the common stock       125.00%                                   100.00% 100.00%         100.00%    
Shares issued                     125,000                                      
Aggregate gross proceeds                       20,000,000                                    
Proceeds from the issuance of preferred stock 20,000,000   52,316,000               17,900,000                                      
Preferred Stock Purchased by Officer                                                           781
Common stock shares issued upon conversion of each share of convertible preferred stock                         100                                  
Preferred stock liquidation preference per share                         $ 0.001                                  
Number of shares of preferred stock converted in to common stock                                     125,000                      
Number of shares of common stock issued in conversion of preferred stock                                   12,500,000                        
Number of warrants outstanding             8,147,484                                              
Intrinsic value of embedded beneficial conversion feature $ 2,000,000                                                          
Aggregate common stock sold           5,116,228               2,922 19,720 2,588