Earnings per Share (Tables) - Earnings per share computations (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Earnings Per Share [Abstract]
Weighted average common shares outstanding during the period - shares used for basic earnings per common share	9,452	9,290
Common shares issuable under share based payment plans which are potentially dilutive	97	132
Common shares used for diluted earnings per common share	9,549	9,422
Net income	$ 3,123	$ 2,124
Basic	$ 0.33	$ 0.23
Diluted	$ 0.33	$ 0.23