Note 15. Equity Transactions (Details) - Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price Minimum	$ 0.14
Range of Exercise Price Maximum	$ 14.90
Outstanding (in Shares)	2,798,838	2,915,338	3,016,338
Weighted Average Outstanding Exercise Price	$ 5.72	$ 5.54	$ 5.42
Weighted Average Remaining Contractual Life (years)	2 years 6 months
Exercisable (in Shares)	2,798,838	2,915,338
Weighted Average Exercisable Exercise Price	$ 5.72	$ 5.54
0.14 - 0.15 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price Minimum	$ 0.14
Range of Exercise Price Maximum	$ 0.15
Outstanding (in Shares)	629,750
Weighted Average Outstanding Exercise Price	$ 0.14
Weighted Average Remaining Contractual Life (years)	5 years 109 days
Exercisable (in Shares)	629,750
Weighted Average Exercisable Exercise Price	$ 0.14
2.96 - 2.96 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price Minimum	$ 2.96
Range of Exercise Price Maximum	$ 2.96
Outstanding (in Shares)	50,000
Weighted Average Outstanding Exercise Price	$ 2.96
Weighted Average Remaining Contractual Life (years)	4 years 292 days
Exercisable (in Shares)	50,000
Weighted Average Exercisable Exercise Price	$ 2.96
3.05 - 3.05 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price Minimum	$ 3.05
Range of Exercise Price Maximum	$ 3.05
Outstanding (in Shares)	183,600
Weighted Average Outstanding Exercise Price	$ 3.05
Weighted Average Remaining Contractual Life (years)	4 years 146 days
Exercisable (in Shares)	183,600
Weighted Average Exercisable Exercise Price	$ 3.05
3.13 - 3.13 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price Minimum	$ 3.13
Range of Exercise Price Maximum	$ 3.13
Outstanding (in Shares)	50,000
Weighted Average Outstanding Exercise Price	$ 3.13
Weighted Average Remaining Contractual Life (years)	2 years 146 days
Exercisable (in Shares)	50,000
Weighted Average Exercisable Exercise Price	$ 3.13
3.86 - 4.10 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price Minimum	$ 3.86
Range of Exercise Price Maximum	$ 4.10
Outstanding (in Shares)	72,000
Weighted Average Outstanding Exercise Price	$ 3.97
Weighted Average Remaining Contractual Life (years)	2 years 146 days
Exercisable (in Shares)	72,000
Weighted Average Exercisable Exercise Price	$ 3.97
5.29 -6.93 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price Minimum	$ 5.29
Range of Exercise Price Maximum	$ 6.93
Outstanding (in Shares)	931,170
Weighted Average Outstanding Exercise Price	$ 6.38
Weighted Average Remaining Contractual Life (years)	1 year 219 days
Exercisable (in Shares)	931,170
Weighted Average Exercisable Exercise Price	$ 6.38
7.48 - 7.90 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price Minimum	$ 7.48
Range of Exercise Price Maximum	$ 7.90
Outstanding (in Shares)	26,500
Weighted Average Outstanding Exercise Price	$ 7.88
Weighted Average Remaining Contractual Life (years)	1 year 328 days
Exercisable (in Shares)	26,500
Weighted Average Exercisable Exercise Price	$ 7.74
9.90 - 10.89 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price Minimum	$ 9.90
Range of Exercise Price Maximum	$ 10.89
Outstanding (in Shares)	845,818
Weighted Average Outstanding Exercise Price	$ 10.01
Weighted Average Remaining Contractual Life (years)	146 days
Exercisable (in Shares)	845,818
Weighted Average Exercisable Exercise Price	$ 10.01
14.90 - 14.90 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price Minimum	$ 14.90
Range of Exercise Price Maximum	$ 14.90
Outstanding (in Shares)	10,000
Weighted Average Outstanding Exercise Price	$ 14.90
Weighted Average Remaining Contractual Life (years)	292 days
Exercisable (in Shares)	10,000
Weighted Average Exercisable Exercise Price	$ 14.90