Property and Equipment - Property and Equipment (Detail) (USD $)	Sep. 30, 2014	Sep. 30, 2013
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 24,887,000	$ 25,569,000
Less: Accumulated depreciation and amortization	(17,746,000)	(17,490,000)
Property and equipment, net	7,141,000	8,079,000
Land and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,296,000	3,540,000
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	12,875,000	13,184,000
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 8,716,000	$ 8,845,000