Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Accounts receivable, allowances	$ 314	$ 356
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	50,000	50,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	600,000	600,000
Common stock, shares issued	44,001	42,984
Common stock, shares outstanding	41,353	41,823