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NOTE 8 - STOCKHOLDERS' EQUITY (Tables)
12 Months Ended
Dec. 31, 2018
Stockholders' Equity Note [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The following table summarizes the assumptions used to develop their fair value for the year ending December 31, 2018 and 2017:

   

2018

   

2017

 

Risk-free interest rate

    2.81

%

    1.60

%

Expected volatility

    .45       .41  

Expected life in years

    4.00       3.69  

Dividend yield

    -       -  
Schedule of Share-based Compensation, Stock Options, Reserved Shares for Future Issuance, Activity [Table Text Block]
As of December 31, 2018, we reserved shares of common stock for future issuance as follows:

Options outstanding

    1,639,000  

Options available for future grant

    108,000  

Shares reserved

    1,747,000  
Share-based Compensation, Stock Options, Activity [Table Text Block]
The following table summarizes activity under all Plans during the year ended December 31, 2018 and 2017.

   

2018

   

2017

 
           

Weighted

           

Weighted

 
           

Average

           

Average

 
           

Exercise

           

Exercise

 
   

Shares

   

Price

   

Shares

   

Price

 

Outstanding at the beginning of the year

    1,014,000     $ 9.22       614,000     $ 6.47  

Granted

    803,000       11.48       575,000       11.30  

Exercised

    (30,000

)

    6.43       (80,000

)

    5.55  

Canceled

    (148,000

)

    13.21       (95,000

)

    7.16  

Outstanding at the end of the year

    1,639,000     $ 10.02       1,014,000     $ 9.22  

Options exercisable at the end of the year

    585,000     $ 8.59       247,000     $ 6.34  

Weighted average fair value of options granted during the year

  $ 7.80             $ 3.63          
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
The following table summarizes the outstanding and exercisable options and their exercise prices as of December 31, 2018:

       

Options Outstanding

   

Options Exercisable

 

Range of Exercise Prices

   

Number Outstanding

   

Weighted-Average

Remaining Contractual Life (Years)

   

Weighted-Average Exercise Price

   

Number Exercisable and Vested

   

Weighted-Average Exercise Price

 
                                             
$ 1.68 –8.81       529,000       1.95     $ 4.58       303,000     $ 6.18  
  8.82 – 13.39       595,000       3.31       10.88       223,000       10.36  
  13.40–16.27       515,000       3.95       14.62       59,000       14.27  
$ 1.68–16.27       1,639,000       2.67     $ 10.02       585,000     $ 8.59