Stock Based Compensation (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Stock Based Compensation [Line Items]
Stock Compensation Expense	$ 138,000	$ 139,000	$ 230,000	$ 227,000
Stock Grants [Member]
Stock Based Compensation [Line Items]
Stock Compensation Expense	92,000	84,000	130,000	123,000
Restricted Stock Grants [Member]
Stock Based Compensation [Line Items]
Stock Compensation Expense	13,000	13,000	26,000	26,000
Option Grants [Member]
Stock Based Compensation [Line Items]
Stock Compensation Expense	4,000	13,000	17,000	25,000
Employee Stock Purchase Plan [Member]
Stock Based Compensation [Line Items]
Stock Compensation Expense	1,000	1,000	1,000	1,000
Subsidiary Option Grants [Member]
Stock Based Compensation [Line Items]
Stock Compensation Expense	$ 28,000	$ 28,000	$ 56,000	$ 52,000