Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2011	Sep. 30, 2011
Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 26,000	$ 26,000
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	5,000,000	5,000,000
Common stock, shares, issued	4,324,140	4,324,140
Common stock, shares, outstanding	2,586,227	2,586,227
Treasury stock, shares	1,737,913	1,737,913