Note 4 - Earnings Per Common Share (Details) - Basic and Diluted Earnings Per Share (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Mar. 31, 2015		Mar. 31, 2014
BASIC EARNINGS (LOSS) PER SHARE
Net income (in Dollars)	$ 393		$ (1,009)		$ 3,508		$ 1,726
Weighted average shares outstanding
Impact of common shares to be issued under stock option plans, and contingently issuable shares, if any	115	[1]		[1]	80	[1]	169	[1]
Weighted average shares outstanding (c)	24,643	[2]	24,401	[2]	24,550	[2]	24,545	[2]
Diluted earnings (loss) per share (in Dollars per share)	$ 0.02		$ (0.04)		$ 0.14		$ 0.07
Weighted average shares outstanding - basic	24,528		24,401		24,470		24,376
Basic earnings (loss) per share (in Dollars per share)	$ 0.02		$ (0.04)		$ 0.14		$ 0.07
Weighted average shares outstanding in the Deferred Compensation Plan during the period	325		306		321		303
Net of Treasury Shares [Member]
Weighted average shares outstanding
Weighted average shares outstanding - basic	24,203	[3]	24,095	[3]	24,149	[3]	24,073	[3]

[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 1,729,273 common shares and 1,235,650 common shares at March 31, 2015 and 2014, respectively, and options to purchase 2,272,823 common shares and 1,687,650 common shares at March 31, 2015 and 2014, respectively, were not included in the computation of the three month and nine month periods for diluted earnings per share, respectively, 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.