Note 13 - Equity Transactions (Details) - Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price - Lower Limit	$ 0.14
Range of Exercise Price - Upper Limit	$ 7.48
Outstanding (in Shares)	1,724,520	2,798,838	2,915,338
Weighted Average Exercise Price	$ 4.07	$ 5.72	$ 5.54
Weighted Average Remaining Contractual Life	2 years 6 months
Exercisable (in Shares)	1,724,520	2,798,838
Weighted Average Exercise Price	$ 4.07	$ 5.72
Range 1 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price - Lower Limit	$ 0.14
Range of Exercise Price - Upper Limit	$ 0.15
Outstanding (in Shares)	487,750
Weighted Average Exercise Price	$ 0.14
Weighted Average Remaining Contractual Life	4 years 6 months
Exercisable (in Shares)	487,750
Weighted Average Exercise Price	$ 0.14
Range 2 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price - Lower Limit	$ 3.05
Range of Exercise Price - Upper Limit	$ 3.05
Outstanding (in Shares)	182,100
Weighted Average Exercise Price	$ 3.05
Weighted Average Remaining Contractual Life	3 years 146 days
Exercisable (in Shares)	182,100
Weighted Average Exercise Price	$ 3.05
Range 3 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price - Lower Limit	$ 3.13
Range of Exercise Price - Upper Limit	$ 3.13
Outstanding (in Shares)	50,000
Weighted Average Exercise Price	$ 3.13
Weighted Average Remaining Contractual Life	1 year 146 days
Exercisable (in Shares)	50,000
Weighted Average Exercise Price	$ 3.13
Range Four [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price - Lower Limit	$ 3.86
Range of Exercise Price - Upper Limit	$ 4.10
Outstanding (in Shares)	72,000
Weighted Average Exercise Price	$ 3.97
Weighted Average Remaining Contractual Life	1 year 146 days
Exercisable (in Shares)	72,000
Weighted Average Exercise Price	$ 3.97
Range Five [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price - Lower Limit	$ 5.29
Range of Exercise Price - Upper Limit	$ 6.93
Outstanding (in Shares)	931,170
Weighted Average Exercise Price	$ 6.38
Weighted Average Remaining Contractual Life	219 days
Exercisable (in Shares)	931,170
Weighted Average Exercise Price	$ 6.38
Range Six [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price - Lower Limit	$ 7.48
Range of Exercise Price - Upper Limit	$ 7.48
Outstanding (in Shares)	1,500
Weighted Average Exercise Price	$ 7.48
Weighted Average Remaining Contractual Life	2 years 6 months
Exercisable (in Shares)	1,500
Weighted Average Exercise Price	$ 7.48