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Note 5. Stock Options (Details) (USD $)
Sep. 30, 2013
Option 1
 
Exercise Price Range $0.01 - $1.00
Number of Options Outstanding 27,300
Weighted Average Remaining Contractual Life (in Years) 8 years 3 months 22 days
Weighted Average Exercise Price $ 0.01
Number of Options Exercisable 27,300
Option 2
 
Exercise Price Range $1.01 - $2.00
Number of Options Outstanding 16,750
Weighted Average Remaining Contractual Life (in Years) 7 years 7 months 24 days
Weighted Average Exercise Price $ 1.73
Number of Options Exercisable 16,750
Option 3
 
Exercise Price Range $2.01 - $3.00
Number of Options Outstanding 111,276
Weighted Average Remaining Contractual Life (in Years) 6 years 5 months 16 days
Weighted Average Exercise Price $ 2.41
Number of Options Exercisable 72,526
Option 4
 
Exercise Price Range $3.01 - $4.00
Number of Options Outstanding 20,800
Weighted Average Remaining Contractual Life (in Years) 8 years 6 months
Weighted Average Exercise Price $ 3.33
Number of Options Exercisable 20,800
Option 5
 
Exercise Price Range $4.01 - $8.00
Number of Options Outstanding 60,000
Weighted Average Remaining Contractual Life (in Years) 9 years 11 months 26 days
Weighted Average Exercise Price $ 7.76
Number of Options Exercisable 3,751
Option 6
 
Exercise Price Range $8.01 - $8.25
Number of Options Outstanding 40,000
Weighted Average Remaining Contractual Life (in Years) 4 years 10 months 20 days
Weighted Average Exercise Price $ 8.25
Number of Options Exercisable 2,500
Total
 
Number of Options Outstanding 276,126
Weighted Average Remaining Contractual Life (in Years) 7 years 4 months 28 days
Weighted Average Exercise Price $ 4.21
Number of Options Exercisable 143,627