Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Sep. 30, 2011
Condensed Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance for doubtful accounts and sales returns	$ 121	$ 148
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	6,285,017	6,175,978
Common stock, shares outstanding	6,270,771	6,161,732
Treasury stock, shares	14,246	14,246