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STOCK OPTIONS (Tables)
12 Months Ended
Dec. 31, 2014
Stock Options Tables  
Assumption used for stock option granted

The assumptions used principally for options granted to employees in the years ended December 31, 2014 and 2013 were as follows:

 

    2014     2013  
Risk-free interest rate %                                                                                              1.45 - 1.90       0.10 - 2.71  
Expected dividend yield                                                                                                     
Expected term in years                                                                                              4.5 - 6.5       1 - 10  
Forfeiture rate % (excluding fully vested options)                                                                                              7.5 - 15       15  
Expected volatility %                                                                                              81 - 121       129 - 141  

 

In December 2014, the Company issued stock options to purchase 475,000 shares of our Common Stock to its new CEO and CFO that contain certain stock price level attainment conditions that must be achieved before the stock options are permitted to vest. In calculating the compensation expense for these stock option grants, we utilize a binomial lattice-based valuation model. Assumptions utilized in the model, which are evaluated and revised, as necessary, to reflect market conditions and experience, were as follows:

 

    2014  
Interest rate %     2  
Weighted average interest rate      
Dividend yield      
Expected volatility     1.05  
Weighted Average volatility      
Expected life in years     6.5  

Stock option activity

 

 

 

 

 

 

 

 

 

 

Shares

   

 

Weighted-

Average

Exercise

Price

   

Weighted-

Average

Remaining

Contractual

Term

   

 

 

Aggregate

Intrinsic

Value

 
Outstanding at January 1, 2014     1,455,432     $ 4.40              
Granted     662,950       1.94              
Forfeited or expired     (1,078,482 )     4.92              
Outstanding at December 31, 2014     1,039,900     $ 3.00     8.82 years     $  
Exercisable at December 31, 2014     527,667     $ 3.90     8.10 years     $