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NET LOSS PER SHARE (Tables)
3 Months Ended
Mar. 31, 2013
Earnings Per Share [Abstract]  
Outstanding potentially dilutive options, warrants and convertible notes
   Three Months Ended March 31,
 (in thousands)  2013  2012
       
Options outstanding   89,225    52,363 
Warrants outstanding   81,044    84,127 
Common stock underlying convertible notes outstanding   120,320    39,921