Note 14 - Capital Structure and Stock-based Compensation (Details) - Stock Option Activity - $ / shares	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Stock Option Activity [Abstract]
Options outstanding at beginning of period	10,000	22,697	26,240
Options outstanding at beginning of period (in Dollars per share)	$ 16.00	$ 13.91	$ 12.19
Exercised	0	(12,697)	(13,543)
Exercised (in Dollars per share)	$ 0	$ 12.26	$ 12.13
Granted	0	0	10,000
Granted (in Dollars per share)	$ 0	$ 0	$ 16.00
Options outstanding at end of period	10,000	10,000	22,697
Options outstanding at end of period (in Dollars per share)	$ 16.00	$ 16.00	$ 13.91
Options exercisable at end of period	4,000	2,000	12,697
Shares available for issuance	2,115,246	2,010,647	1,906,175