Note 3 - Earnings Per Common Share (Details) - Basic and Diluted Earnings Per Share - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended												12 Months Ended
		Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2015		Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012	Jun. 30, 2011
BASIC EARNINGS PER SHARE
Net income (in Dollars)		$ 1,643	$ 393	$ 1,588	$ 1,527	$ (796)	$ (1,009)	$ 870	$ 1,865	$ 812	$ (315)	$ (2,450)	$ 1,830	$ 5,151		$ 930		$ (123)		$ 3,224	$ 10,828
Weighted average shares outstanding
Weighted average shares														24,496		24,388		24,313		24,298	24,287
Effect of dilutive securities (b):
Impact of common shares to be issued under stock option plans, and contingently issuable shares, if any	[1]													142		158
Weighted average shares outstanding (c)														24,638	[2]	24,546	[2]	24,313	[2]	24,352	24,339
Diluted earnings (loss) per share (in Dollars per share)		$ 0.07	$ 0.02	$ 0.06	$ 0.06	$ (0.03)	$ (0.04)	$ 0.04	$ 0.08	$ 0.03	$ (0.01)	$ (0.10)	$ 0.08	$ 0.21		$ 0.04		$ (0.01)		$ 0.13	$ 0.44
Basic earnings (loss) per share (in Dollars per share)		$ 0.07	$ 0.02	$ 0.06	$ 0.06	$ (0.03)	$ (0.04)	$ 0.04	$ 0.08	$ 0.03	$ (0.01)	$ (0.10)	$ 0.08	$ 0.21		$ 0.04		$ (0.01)		$ 0.13	$ 0.45
Weighted average shares outstanding in the Deferred Compensation Plan during the period														309		304		284
Net of Treasury Shares [Member]
Weighted average shares outstanding
Weighted average shares	[3]													24,187		24,084		24,029

[1] Calculated using the "Treasury Stock" method as if dilutive securities were exercised and the funds were used to purchase common shares at the average market price during the period.

[2] Options to purchase 1,882,722 common shares, 1,974,775 common shares, and 2,027,450 common shares at June 30, 2015, 2014, and 2013, respectively, were not included in the computation of diluted earnings per share because the exercise price was greater than the average fair market value of the common shares.

[3] Includes shares accounted for like treasury stock in accordance with Accounting Standards Codification Topic 710, Compensation - General.