CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012
Held-to-maturity securities, fair value current	$ 703	$ 710
Available-for-sale securities, cost	6,344	8,209
Held-to-maturity securities, fair value non-current	529	532
Property and equipment,accumulated depreciation	$ 4,599	$ 4,306
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	24,558,215	24,474,370
Common stock, shares outstanding	23,683,835	23,605,490
Treasury stock,shares	874,380	868,880