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8. Stockholders Equity (Tables)
12 Months Ended
Dec. 31, 2012
Stockholders' deficit:  
Convertible Preferred Stock
          Shares Issued and  
    Authorized     Outstanding December 31,  
    Shares     2012     2011  
Series B preferred stock     7,235,565       3,097,725       3,115,225  
Undesignated     57,764,435              
      65,000,000       3,097,725       3,115,225