CONSOLIDATED BALANCE SHEETS [Parenthetical] - USD ($)	Sep. 30, 2015	Sep. 30, 2014
Allowance for doubtful accounts (in dollars)	$ 168,000	$ 299,000
Common stock, par value (in dollars per share)	$ 0.0005	$ 0.0005
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	17,368,738	17,140,182
Common stock, shares outstanding	16,558,578	16,330,022
Treasury stock, shares	810,160	810,160