CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
CONSOLIDATED BALANCE SHEETS
Trade accounts receivable, allowance (in dollars)	$ 124	$ 124
Common stock, authorized shares	50,000,000	50,000,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, issued shares	28,594,437	28,403,946
Common stock, outstanding shares	28,252,192	28,247,335
Treasury stock, shares	342,245	156,611