Note 10 - Equity Compensation (Details) - Stock Options (USD $)	9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Note 10 - Equity Compensation (Details) - Stock Options [Line Items]
Granted - Shares	436,000	414,750
Granted - Weighted Average Exercise Price	$ 7.24	$ 6.58
Forfeitures - Shares	(25,550)	(19,725)
Forfeitures - Weighted Average Exercise Price	$ 10.71	$ 16.51
Exercised - Shares	(52,611)	(8,500)
Exercised - Weighted Average Exercise Price	$ 6.27	$ 5.53
Outstanding - Shares	2,698,989
Exercisable - Shares	1,893,351	1,682,300
Exercisable - Weighted Average Exercise Price	$ 10.75	$ 11.28
Exercisable - Weighted Average Remaining Contractual Term	4 years 109 days	4 years 292 days
Exercisable - Aggregate Instrinsic Value	$ 840,740	$ 339,741
Beginning of Period [Member]
Note 10 - Equity Compensation (Details) - Stock Options [Line Items]
Outstanding - Shares	2,341,150	2,006,250
Outstanding - Weighted Average Exercise Price	$ 9.95	$ 10.64
Outstanding - Weighted Average Remaining Contractual Term	5 years 219 days	5 years 292 days
Outstanding - Aggregate Intrinsic Value	1,544,896	654,747
Outstanding - Weighted Average Remaining Contractual Term	5 years 219 days	5 years 292 days
End of Period [Member]
Note 10 - Equity Compensation (Details) - Stock Options [Line Items]
Outstanding - Weighted Average Remaining Contractual Term	5 years 219 days	5 years 328 days
Outstanding - Shares	2,698,989	2,392,775
Outstanding - Weighted Average Exercise Price	$ 9.58	$ 9.91
Outstanding - Weighted Average Remaining Contractual Term	5 years 219 days	5 years 328 days
Outstanding - Aggregate Intrinsic Value	$ 1,934,534	$ 761,064