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Shareholders' Equity (Details) (USD $)
 1 Months Ended 9 Months Ended 12 Months Ended 1 Months Ended 9 Months Ended 12 Months Ended 1 Months Ended
Nov. 30, 2013
Jan. 31, 2012
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Lincoln Park Capital Fund, Llc [Member]
Dec. 31, 2013
Warrant [Member]
Dec. 31, 2012
Warrant [Member]
Dec. 31, 2013
Warrant [Member]
Consultant [Member]
Dec. 31, 2012
Warrant [Member]
Consultant [Member]
Dec. 31, 2012
Warrant [Member]
Sigma Tau [Member]
Aug. 31, 2014
Common Stock [Member]
Jul. 31, 2014
Common Stock [Member]
May 31, 2014
Common Stock [Member]
Apr. 30, 2014
Common Stock [Member]
Mar. 31, 2014
Common Stock [Member]
Jan. 30, 2014
Common Stock [Member]
Oct. 31, 2013
Common Stock [Member]
Jun. 30, 2013
Common Stock [Member]
Apr. 30, 2013
Common Stock [Member]
Jan. 31, 2012
Common Stock [Member]
Sep. 30, 2014
Common Stock [Member]
Dec. 31, 2013
Common Stock [Member]
Dec. 31, 2012
Common Stock [Member]
Nov. 30, 2013
Common Stock [Member]
Lincoln Park Capital Fund, Llc [Member]
Shareholders' Equity (Textual)                                                    
Preferred stock, shares authorized     350,000   350,000 350,000                                        
Preferred stock, shares issued                                                       
Preferred stock, shares outstanding                                                       
Issuance of common stock                         65,115         77,889     1,034,483   43,607 1,034,483    
Common stock issued in Unit offering, Shares               5,416,581                       6,773,995       6,773,995    
Number of common stock issued for stock warrants exercised               (107,143)        724,873             107,143              
Issuance of common stock pursuant to Lincoln Park equity line, Shares                           76,904   76,907 76,932           230,743 383,370   383,370
Common stock issued for stock options exercised                                               103,439    
Common stock issued in consideration for services performed, Shares                   5,000 50,000                       121,000 55,104 46,706  
Issuance of common stock to employee, Shares                                           16,667     16,667  
Value of shares issued     $ 470,475   $ 528,051   $ 10,000,000                               $ 231 $ 383    
Proceeds from exercise of warrants and options     28,079 184,286 235,975                                           
Charge for common stock issued for collaboration agreement         1,500,000                                    43 1,034    
Fair value of common stock warrants to vendors     (4,775) 0 (4,775)                                              
Additional warrant expenses and charges         4,775 429,902                                        
Warrant issuance expenses representing estimated fair value of services performed         3,654,770                                          
Period for Fusion Capital to purchase common stock            
In November 2013, the Company entered into a common stock purchase agreement with Lincoln Park Capital  Fund, LLC (“Lincoln Park”). The Lincoln Park equity facility allows the Company to require Lincoln Park to purchase up to 75,000 shares (“Regular Purchase”) of the Company’s common stock every two business days, up to an aggregate of $10.0 million over approximately a 36-month period depending on certain conditions, including the quoted market price of the Company’s common stock on such date.
                                      
Number of shares issued as commitment fee             100,000                                      
Maximum additional commitment shares upon relative proportion of purchases compared to the total commitment             122,070                                      
Shares issued to employees under 2011 bonus   16,667                                                
Value of shares under agreement consist of commitment fee on equity line value draws             750,000                                      
Closeing Price Of Common Shares             $ 2.50                                      
Description Of Purchase Agreement In addition to the Regular Purchase and provided that the closing price of the common shares is not below $1.50 on the purchase date, the Company in its sole discretion may direct Lincoln Park on each purchase date to purchase on the next stock trading day (Accelerate Purchase Date") additional shares of Company stock up to the lesser of (i) two times the number of shares purchased following a Regular Purchase or (ii) 30% of the trading volume of shares traded on the Accelerated Purchase Date as a price equal to the lesser of the closing sale price on the Accelerated Purchase Date or 95% of the Accelerated Purchase Date's volume weighted average price.                                                  
Proceeds from Issuance of Common Stock 600,000   470,475    528,051                                           
Proceed From Common Stock Agreement Gross $ 383,370                                                  
Common stock upon the execution of an agreement to evaluate                             43,067                      
Common stock upon the exercise of vested stock options                           7,500 29,172                      
Issuance of common stock to vendor, Shares                   5,000 50,000                       121,000 55,104 46,706  
Shares issued in connection with asset purchase agreement, Shares                                             1,849,113