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STOCKHOLDERS' EQUITY (Details) (USD $)
 0 Months Ended 1 Months Ended 6 Months Ended 12 Months Ended 0 Months Ended 0 Months Ended
Feb. 02, 2012
Dec. 31, 2011
Jan. 24, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
May 23, 2012
Feb. 02, 2012
Third Security LLC And Affiliates
Dec. 31, 2010
Affiliates of third security, llc; december twenty-fifth 2010
Feb. 02, 2012
Various institutional holders; february seventh, 2012
Feb. 02, 2012
Affiliates of third security, llc; february seventh, 2012
Mar. 13, 2013
Various institutional holders; january twenty-fourth, 2017
Mar. 13, 2013
Affiliates of third security, llc; january twenty-fourth, 2017
Dec. 31, 2013
Maximum
Mar. 05, 2014
Maximum
Third Security LLC And Affiliates
Dec. 31, 2013
Minimum
Mar. 05, 2014
Minimum
Third Security LLC And Affiliates
Mar. 05, 2014
Series B Preferred Stock
Preferred Stock
Third Security LLC And Affiliates
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   691,656 2,335,348         431,027 [1] 1,052,820 [2]   441,656 [3] 250,000 [3] 1,097,600 1,212,665 948,333 1,097,600  
Common stock warrant, exercise price 15.00               6.96 [1] 11.73 [2] 11.73 [2] 9 [3] 9 [3] 15.00 12.96 12.96 11.73  
Convertible notes, common stock callable               250,000                    
Convertible notes, warrants callable               125,000     159,845 [2]              
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                   500,000         1,443,297
Share price     $ 6.00 $ 3.74                           $ 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       115,065 691,656                          
Preferred stock, par value (in dollars per share)       $ 0.01   $ 0.01                       $ 0.01
[1] 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.
[2] 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 Footnote 9 - Fair Value. 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.
[3] These warrants were issued in connection with the Offering, which was completed in January 2013.