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STOCKHOLDERS' EQUITY (Details) (USD $)
 0 Months Ended 9 Months Ended 12 Months Ended 12 Months Ended 0 Months Ended 0 Months Ended 12 Months Ended
Jan. 24, 2013
Feb. 02, 2012
Dec. 31, 2011
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Jan. 24, 2013
May 23, 2012
Dec. 31, 2013
Offering
Dec. 31, 2013
Maximum
Dec. 31, 2013
Minimum
Feb. 02, 2012
Third Security LLC And Affiliates
Mar. 05, 2014
Third Security LLC And Affiliates
Series B Preferred Stock
Preferred Stock
Mar. 05, 2014
Third Security LLC And Affiliates
Maximum
Mar. 05, 2014
Third Security LLC And Affiliates
Minimum
Jan. 24, 2013
Affiliates of Third Security, LLC; January 2018
Jan. 24, 2013
Affiliates of Third Security, LLC; January 2018
Dec. 31, 2013
Private Placement, Repricing Requirements
Dec. 31, 2010
Affiliates of Third Security, LLC; December 2015
Feb. 02, 2012
Various Institutional Holders; February 2017
Feb. 02, 2012
Affiliates of Third Security, LLC; February 2017
Jan. 24, 2013
Various Institutional Holders; January 2017
Class of Stock [Line Items]                                            
Common stock, shares authorized       150,000,000   150,000,000   150,000,000                            
Proceeds from issuance of common stock and convertible notes   $ 22,000,000 $ 3,000,000                                      
Common stock, shares issued   1,583,333   7,353,695   7,353,695                                
Common stock, sale price per share (in dollars per share)   $ 12                                        
Common stock warrants, term   5 years                                        
Common stock warrant, common stock called   823,333   2,335,348     691,656     1,097,600 948,333     1,212,665 1,097,600   250,000 [1]   431,027 [2] 1,052,820 [3]   441,656 [1]
Common stock warrant, exercise price (in dollars per unit)   15.00               15.00 12.96     12.96 11.73   9 [1]   6.96 [2] 11.73 [3] 11.73 [3] 9 [1]
Convertible notes, common stock callable                       250,000                    
Convertible notes, warrants callable                       125,000                 159,845 [3]  
Payments of stock issuance costs   1,330,000                                        
Payments of stock issuance costs, percentage of gross offering proceeds   7.00%                                        
Payments of stock issuance costs, warrant right to purchase common stock shares   31,666                                        
Payments of stock issuance costs, warrant right to purchase common stock shares, percentage of shares in offering   2.00%                                        
Stock issuance costs, reimbursable expenses   125,000                                        
Payments of stock issuance costs, reduction to equity   1,500,000                                        
Private Placement, net, shares 1,383,333                       1,443,297     500,000            
Share price (in dollars per share)       $ 3.77     $ 6.00           $ 4.85                  
Private placement, net $ 8,300,000         $ 7,570,000             $ 7,000,000                  
Class of warrant or right, number of securities called by warrants or rights, price per share             $ 9.00                              
Common stock warrants issued (in shares)       115,065 840,928       691,656                 149,272        
Preferred stock, par value (in dollars per share)       $ 0.01   $ 0.01             $ 0.01                  
[1] These warrants were issued in connection with the Offering, which was completed in January 2013.
[2] This warrant was issued in connection with the issuance of warrants to purchase shares of our Series A Preferred Stock to affiliates of Third Security, LLC in December 2010. The number of underlying shares shown reflects the number of shares of common stock issuable upon conversion of the shares of Series A Preferred Stock for which this warrant is currently exercisable.
[3] These warrants were issued in connection with the Private Placement completed in February 2012 and are classified as a liability in our financial statements. See Note 10 - “Fair Value” for additional information. These warrants also contain certain anti-dilution provisions that provide for an adjustment to the exercise price and number of shares issuable upon exercise of the warrant in the event that we engage in certain issuances of shares of our common stock at a price lower than the exercise price of the warrant.