Fair Value Measurement (Details) (USD $)	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total plan assets	$ 327,000	$ 315,000	$ 295,000
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total plan assets	0	0
Fair Value, Inputs, Level 1 [Member] | Money Market Separate Account [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total plan assets	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total plan assets	327,000	315,000
Fair Value, Inputs, Level 2 [Member] | Money Market Separate Account [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total plan assets	327,000	315,000
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total plan assets	0	0
Fair Value, Inputs, Level 3 [Member] | Money Market Separate Account [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total plan assets	$ 0	$ 0