Note 8. Employee Stock Options (Details 1) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Number of Options Outstanding	280,836	220,596	127,500
Option 1
Exercise Price Range	$0.01 - $1.00
Number of Options Outstanding	27,300
Weighted Average Exercise Price	$ 0.01
Weighted Average Remaining Contractual Life (in Years)	8 years 18 days
Number of Options Exercisable	27,300
Option 2
Exercise Price Range	$1.01 - $2.00
Number of Options Outstanding	13,650
Weighted Average Exercise Price	$ 1.73
Weighted Average Remaining Contractual Life (in Years)	7 years 4 months 24 days
Number of Options Exercisable	13,650
Option 3
Exercise Price Range	$2.01 - $3.00
Number of Options Outstanding	80,736
Weighted Average Exercise Price	$ 2.49
Weighted Average Remaining Contractual Life (in Years)	6 years 1 month 24 days
Number of Options Exercisable	48,236
Option 4
Exercise Price Range	$3.01 - $4.00
Number of Options Outstanding	19,150
Weighted Average Exercise Price	$ 3.33
Weighted Average Remaining Contractual Life (in Years)	8 years 3 months
Number of Options Exercisable	19,150
Option 5
Exercise Price Range	$7.01 - $8.00
Number of Options Outstanding	100,000
Weighted Average Exercise Price	$ 7.76
Weighted Average Remaining Contractual Life (in Years)	7 years 4 months 2 days
Number of Options Exercisable	6,251
Option 6
Exercise Price Range	$8.00 - $8.25
Number of Options Outstanding	40,000
Weighted Average Exercise Price	$ 8.25
Weighted Average Remaining Contractual Life (in Years)	4 years 7 months 20 days
Number of Options Exercisable	5,000
Total
Number of Options Outstanding	280,836
Weighted Average Exercise Price	$ 4.97
Weighted Average Remaining Contractual Life (in Years)	7 years 6 months 29 days
Number of Options Exercisable	119,587