Note 5 - Earnings per Common Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
		Sep. 30, 2021	Sep. 30, 2020
Net Income		$ 3,133	$ 1,990
Weighted average shares outstanding during the period, net of treasury shares (in shares)		26,553	26,318
Weighted average vested restricted stock units outstanding (in shares)		426	192
Weighted average shares outstanding (in shares)		26,996	26,520
Basic income per share (in dollars per share)		$ 0.12	$ 0.08
Basic (in shares)		26,996	26,520
Impact of common shares to be issued under stock option plans, and contingently issuable shares, if any (in shares)	[1]	747	448
Weighted average shares outstanding (in shares)		27,743	26,968
Diluted income per share (in dollars per share)		$ 0.11	$ 0.07
Anti-dilutive securities (b) (in shares)	[2]	989	1,302
Restricted Stock Units (RSUs) [Member]
Weighted average vested restricted stock units outstanding (in shares)		17	10

[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] Anti-dilutive securities were excluded from the computation of diluted net income per share for the three months ended September 30,2021 and September 30, 2020 because the exercise price was greater than the average fair market price of the common shares or because the assumed proceeds from the award’s exercise or vesting was greater than the average fair market price of the common shares.