Earnings per Share Data (Details) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Basic and diluted earnings per share
Net Income	$ 2,977,000	$ 2,766,000	$ 2,001,000	$ 3,641,000
Common Shares:
Weighted average common shares outstanding	9,518,000	9,518,000	9,518,000	9,518,000
Effect of dilutive stock options
Diluted shares outstanding	9,518,000	9,518,000	9,518,000	9,518,000
Basic:
Net earnings per share	$ 0.31	$ 0.29	$ 0.21	$ 0.38
Diluted:
Net earnings per share	$ 0.31	$ 0.29	$ 0.21	$ 0.38