Consolidated Balance Sheets (Parentheticals) (USD $)	Sep. 30, 2012	Sep. 30, 2011
Accounts receivable, allowance (in Dollars)	$ 300,000	$ 300,000
Allowance for excess and obsolete inventory (in Dollars)	$ 1,000,000	$ 1,556,000
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in Shares)	30,000,000	30,000,000
Common stock, shares issued (in Shares)	10,465,323	10,431,354
Common stock, shares outstanding (in Shares)	10,189,120	10,207,390
Treasury stock, shares (in Shares)	276,203	223,964