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Stockholders' Equity (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Mar. 09, 2012
Stockholders' Equity (Textual) [Abstract]        
Restricted common stock issued 266,478      
Value of restricted common stock issued $ 158     $ 158
Common stock shares issued upon the cashless exercise   5,625    
Non employee warrants exercised   50,000    
Common stock share issued, shares   34,500 112,500  
Common stock share issued, Value   13 48  
Common stock issued for services, shares   25,000 99,964  
Common stock issued for services, Value   $ 20 $ 79