CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Jun. 30, 2012
Held-to-maturity securities, fair value current	$ 0	$ 710
Available-for-sale securities	6,468	8,209
Held-to-maturity securities, fair value non current	524	532
Property and equipment, accumulated depreciation	$ 4,883	$ 4,306
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	24,743,160	24,474,370
Common stock, shares outstanding	23,868,559	23,605,490
Treasury stock, shares	874,601	868,880