Note 13 - Equity Transactions and Stock-based Compensation (Tables)

12 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Fiscal Year Ended
	June 30,
	2016	2015
Anti-dilutive stock options	694,950	2,139,550
Anti-dilutive shares for
convertible notes payable	8,230,769	-
Total anti-dilutive shares	8,925,719	2,139,550

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		Weighted
		Average
		Exercise
	Options	Price
Outstanding as of July 1, 2014	1,724,520	$ 4.07
Granted	2,248,000	0.09
Exercised	-	-
Terminated	(18,000)	1.11
Expired	(881,570)	6.36
Outstanding as of June 30, 2015	3,072,950	0.52
Granted	-	-
Exercised	-	-
Terminated	(80,000)	0.17
Expired	(122,000)	3.63
Outstanding as of June 30, 2016	2,870,950	$ 0.40
Exercisable at June 30, 2015	2,164,550	$ 0.70
Exercisable at June 30, 2016	2,383,617	$ 0.46

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

					Weighted
					Average
				Weighted	Remaining		Weighted
Range of				Average	Contractual		Average
Exercise Price			Outstanding	Exercise Price	Life (years)	Exercisable	Exercise Price
$ 0.09	-	$ 0.10	2,176,000	$ 0.09	8.8	1,688,667	$ 0.09
$ 0.14	-	$ 0.15	469,750	0.14	2.5	469,750	0.14
$ 3.05	-	$ 3.05	169,600	3.05	1.4	169,600	3.05
$ 3.36	-	$ 3.36	4,500	3.36	1.4	4,500	3.36
$ 6.80	-	$ 6.80	49,600	6.80	0.5	49,600	6.80
$ 7.48	-	$ 7.48	1,500	7.48	0.5	1,500	7.48
$ 0.09	-	$7.48	2,870,950	$ 0.40	4.3	2,383,617	$ 0.46