CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2015	Sep. 30, 2014
CONSOLIDATED BALANCE SHEETS
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized shares	200,000,000	200,000,000
Common stock, issued shares	73,896,000	73,510,000
Common stock, outstanding shares	73,896,000	73,510,000
Common stock, held in treasury (in shares)	83,000	61,000