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STOCKHOLDERS' EQUITY (Details 5) (USD $)
 1 Months Ended 3 Months Ended 6 Months Ended 6 Months Ended 0 Months Ended 6 Months Ended 0 Months Ended 0 Months Ended 1 Months Ended
Apr. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Jun. 30, 2013
Common stock
Nov. 14, 2013
November 2013 stock issuance
Common stock
Aspire Capital Fund, LLC
Jun. 30, 2014
November 2013 stock issuance
Common stock
Aspire Capital Fund, LLC
Nov. 14, 2013
November 2013 stock issuance
Common stock
Maximum
Aspire Capital Fund, LLC
Dec. 14, 2012
December 2012 stock issuance
Common stock
Aspire Capital Fund, LLC
Dec. 14, 2012
December 2012 stock issuance
Common stock
Maximum
Aspire Capital Fund, LLC
May 16, 2013
May 2013 sale of common stock
May 21, 2013
May 2013 sale of common stock
Mar. 22, 2012
March 2012 Sale of Common Stock and Economic Rights
Common Stock                              
Number of shares issued under purchase agreement               511,509 450,000   158,982        
Purchase price for shares issued under purchase agreement               $ 2,000,000 $ 1,700,000   $ 1,000,000        
Shares committed to purchase                   3,042,038   1,455,787      
Period of common stock purchase agreement               2 years     2 years        
Common stock purchase agreement, purchase commitment                   18,000,000   19,000,000      
Stock issued for non-cash consideration               166,105     74,548        
Shares committed for sale under agreement                         6,666,667    
Common stock, par value (in dollars per share)   $ 0.001   $ 0.001   $ 0.001             $ 0.001    
Offering price (in dollars per share)                         $ 3.00 $ 3.00 $ 4.53
Shares sold (in shares)             31,643             6,833,334 669,726
Number of share sold that were subject to the underwriters' over-allotment option                           166,667  
Proceeds from sale of common stock, net of certain fees and expenses                           19,000,000  
Fair value of common stock issued             200,000                
Change in valuation of financial instruments associated with stock purchase agreement   64,000    111,000                       
Net proceeds                             2,900,000
Number of days used to calculate average closing price                             10 days
Amount to be paid as percentage of future litigation settlement amount received                             10.00%
Lock-up period from the date of issuance                             1 year
Economic Rights settled for payments $ 600,000