Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Jun. 30, 2011	Sep. 30, 2010
Condensed Consolidated Balance Sheets
Accounts receivable, allowance for doubtful accounts and sales returns	$ 174	$ 164
Common stock, par or stated value per share	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	6,175,145	5,958,237
Common stock, shares outstanding	6,160,899	5,943,991
Treasury stock, shares	14,246	14,246