Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2012	Jun. 30, 2012
Accounts receivable, allowances	$ 308	$ 314
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	45,371	44,001
Common stock, shares outstanding	41,037	41,353