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Note 5. Stock Options (Details) (USD $)
Jun. 30, 2013
Option 1
  
Exercise Price Range $0.01 - $1.00
Number of Options Outstanding 28,700
Weighted Average Remaining Contractual Life (in Years) 8 years 10 months 6 days
Weighted Average Exercise Price $ 0.01
Number of Options Exercisable 28,700
Option 2
  
Exercise Price Range $1.01 - $2.00
Number of Options Outstanding 18,000
Weighted Average Remaining Contractual Life (in Years) 7 years 10 months 24 days
Weighted Average Exercise Price $ 1.73
Number of Options Exercisable 18,000
Option 3
  
Exercise Price Range $2.01 - $3.00
Number of Options Outstanding 132,966
Weighted Average Remaining Contractual Life (in Years) 6 years 5 months 26 days
Weighted Average Exercise Price $ 2.42
Number of Options Exercisable 87,966
Option 4
  
Exercise Price Range $3.01 - $4.00
Number of Options Outstanding 25,500
Weighted Average Remaining Contractual Life (in Years) 8 years 9 months 4 days
Weighted Average Exercise Price $ 3.33
Number of Options Exercisable 25,500
Total
  
Number of Options Outstanding 205,166
Weighted Average Remaining Contractual Life (in Years) 7 years 2 months 12 days
Weighted Average Exercise Price $ 2.11
Number of Options Exercisable 160,166