Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2011	Jun. 30, 2011
Stockholders' equity:
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	23,296,001	22,927,635
Treasury stock, shares	465,351	465,351
Series A Participating Stock Member
Stockholders' equity:
Series A Junior Participating, shares authorized
Series A Junior Participating, shares issued
Series A Junior Participating, shares outstanding