Note 10 - Equity Compensation (Details) - Stock Options - USD ($)	3 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Stock Options [Abstract]
Outstanding - Shares	3,417,537	2,662,464	2,677,436	2,677,464
Outstanding - Weighted Average Exercise Price	$ 9.04	$ 9.59	$ 8.85	$ 9.57
Outstanding - Weighted Average Remaining Contractual Term	7 years	5 years 36 days	6 years 36 days	5 years 146 days
Outstanding - Aggregate Intrinsic Value	$ 2,759,444	$ 217,885	$ 4,914,601	$ 1,674,010
Exercisable - Shares	1,537,151	2,141,339
Exercisable - Weighted Average Exercise Price	$ 10.15	$ 10.21
Exercisable - Weighted Average Remaining Contractual Term	4 years 36 days	4 years 109 days
Exercisable - Aggregate Instrinsic Value	$ 1,270,934	$ 217,885
Granted - Shares	942,800	0
Granted - Weighted Average Exercise Price	$ 9.39
Forfeitures - Shares	(20,800)	(15,000)
Forfeitures - Weighted Average Exercise Price	$ 15.36	$ 7.09
Exercised - Shares	(181,899)	0
Exercised - Weighted Average Exercise Price	$ 7.31