Note 9 - Equity Compensation (Details) - Summary of Unvested Stock Options - $ / shares	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Summary of Unvested Stock Options [Abstract]
Non-vested at June 30, 2014	803,138
Non-vested at June 30, 2014	$ 2.39
Granted	734,323	436,000	414,750
Granted	$ 3.27	$ 2.67	$ 2.11
Vested	(355,513)
Vested	$ 2.31
Forfeited	(101,750)
Forfeited	$ 2.64
Non-vested at June 30, 2015	1,080,198	803,138
Non-vested at June 30, 2015	$ 2.99	$ 2.39