Condensed Consolidated Statements Of Changes In Stockholders' Equity And Comprehensive Income (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income(Loss) [Member]	Total
Balances at Jun. 30, 2010	$ 279	$ 111,637	$ 81,252	$ (16,078)	$ 495	$ 177,585
Net income			3,089			3,089
Other comprehensive income (loss)					387	387
Comprehensive income						3,476
Tax effect of exercised stock options and vesting of deferred shares		(6)				(6)
Issuance of deferred shares		(3)		3
Purchase of treasury shares				(4)		(4)
Stock-based compensation expense		573				573
Balances at Sep. 30, 2010	279	112,201	84,341	(16,079)	882	181,624
Balances at Jun. 30, 2011	279	113,686	100,231	(15,961)	1,436	199,671
Net income			3,509			3,509
Other comprehensive income (loss)					(959)	(959)
Comprehensive income						2,550
Exercise of stock options		35		14		49
Tax effect of exercised stock options and vesting of deferred shares		(34)				(34)
Issuance of deferred shares		(106)		106
Employee Stock Purchase Plan share purchase		11		3		14
Purchase of treasury shares				(4,872)		(4,872)
Other treasury share purchases				(108)		(108)
Stock-based compensation expense		969				969
Balances at Sep. 30, 2011	$ 279	$ 114,561	$ 103,740	$ (20,818)	$ 477	$ 198,239