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Note 5. Stock Options (Tables)
6 Months Ended
Jun. 30, 2014
Notes to Financial Statements  
Schedule Of Stock Options
      Options Outstanding     Options Exercisable  
Exercise Price Range     Number    

Weighted Average

Remaining

Contractual Life

(in Years)

   

Weighted

Average

Exercise

Price

    Number  
$ 0.01 - $1.00       22,300       7.56     $ 0.01       22,300  
$ 1.01 - $2.00       12,050       6.9     $ 1.74       12,050  
$ 2.01 - $3.00       43,986       4.7     $ 2.48       23,986  
$ 3.01 - $4.00       15,150       7.76     $ 3.33       15,150  
$ 4.01 - $8.00       100,000       6.85     $ 7.76       18,751  
$ 8.01 - $10.00       40,000       4.15     $ 8.25       10,000  
$ 10.01-$13.49       40,000       4.7     $ 13.49       2,500  
Total       273,486       5.9     $ 6.68       104,737