Stock Plans And Stock Based Compensation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended		3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, outstanding, aggregate intrinsic value	$ 664		664
Number of unvested stock options	141,200		141,200		190,000
Unvested stock options, aggregate grant date fair value	348		348		464
Unvested stock options, aggregate intrinsic value	352		352
Stock options vested during period	42,900	14,600
Stock options vested during period, aggregate grant date fair value	100	26
Stock options granted during period	0	135,000
Stock options, aggregate grant date fair value		349
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Description of stock option plan	Under the Company’s stock option plans (the 1999 Stock Option Plan and the 2003 Stock Option Plan), the Company was able to grant options for up to a combined total of 1,622,500 shares of common stock to employees, officers and directors.  Shares issued may be purchased in the open market or may be issued from authorized and unissued shares.  The exercise price of each option equals the fair market value of the Company’s common stock on the date of grant.
Number of shares authorized	2,151,500		2,151,500
Award vesting percentage
Award vesting period
Stock options, fair value assumptions method	The Company uses the Black-Scholes option pricing model to estimate the fair value of stock-based awards
Stock Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Description of stock option plan	The Company adopted the Management Recognition and Development Plan (“MRDP”) in 1998 for the benefit of employees, officers and directors of the Company.  The objective of the MRDP is to retain and attract personnel of experience and ability in key positions by providing them with a proprietary interest in the Company.
Number of shares authorized	529,000		529,000
Award vesting percentage			20.00%
Award vesting period			5 years
Number of shares available for grant (shares)					0
Stock options vested during period, aggregate grant date fair value		$ 23
Number of unvested stock awards (shares)	0		0		0
Stock awards, vested during period	0	3,254
Terms of stock awards	Awards under the MRDP were made in the form of shares of common stock that are subject to restrictions on the transfer of ownership
Officers or Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (shares)	0		0
Stock awards, granted during period			0	0