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STOCKHOLDERS' EQUITY (Details 2) (USD $)
 3 Months Ended 6 Months Ended 203 Months Ended 0 Months Ended 3 Months Ended 6 Months Ended 90 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Dec. 31, 2012
May 21, 2013
May 2013 sale of common stock
May 16, 2013
May 2013 sale of common stock
Jul. 08, 2013
Preferred stock
Apr. 05, 2013
Preferred stock
Jan. 11, 2013
Preferred stock
Jun. 30, 2013
Preferred stock
Jun. 30, 2013
Preferred stock
Jun. 30, 2013
Preferred stock
Jun. 30, 2013
Preferred stock
Minimum
series
Jun. 30, 2013
Common stock
STOCKHOLDERS' EQUITY                              
Number of shares of Preferred Stock exchanged for common stock 0 0 0 0                      
Conversion of Convertible Preferred Stock                              
Preferred shares exchanged (in shares)                     0 792,460 1,626,131    
Shares of common stock issued:                              
At stated convertible option (in shares)                             48,174
Incremental shares issued under the exchange transaction (in shares)                             1,465,479
Total shares of common stock issued (in shares)                             1,513,653
Number of series of Preferred Stock                           1  
Deemed dividends recorded   $ 8,366,000   $ 11,881,000               $ 8,400,000      
Cash dividend declared per share (in dollars per share)               $ 0.15 $ 0.15 $ 0.15          
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   $ 0.001                
Offering price per unit (in dollars per unit)             $ 3.00                
Shares sold (in shares)           6,833,334                  
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                  
Common stock issued (in shares) 0   0                       31,643
Fair value of common stock issued                             $ 200,000