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1. SUMMARY OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES (Tables)
9 Months Ended
Sep. 30, 2012
Notes to Financial Statements  
Stock-Based Compensation

The fair value of option grants under the Company’s equity compensation plan for the three and nine months ended September 30, 2012 and 2011 were estimated using the following weighted average assumptions:

 

    Three Months Ended September 30,     Nine Months Ended September 30,  
    2012     2011     2012     2011  
Dividend yield     0.0 %     0.0 %     0.0 %     0.0 %
Expected volatility     87.5 %     92.0 %     88.0 %     92.0 %
Risk free interest rate     1.17 %     1.44 %     1.17 %     1.44 %
Expected lives (years)     4.0       4.0       4.0       4.0