Summary of Significant Accounting Policies and Select Balance Sheet Information - Amortized Cost, Unrealized Holding Gains (Losses) and Fair Value of Available-for-Sale Securities (Details) - USD ($)	Sep. 30, 2015	Sep. 30, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		$ 18,347,000
Unrealized Gains		1,617,000
Unrealized Losses		(101,000)
Fair Value	$ 0	19,863,000
Municipal bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		1,173,000
Unrealized Gains		5,000
Unrealized Losses		(3,000)
Fair Value		1,175,000
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		1,829,000
Unrealized Gains		6,000
Unrealized Losses		(5,000)
Fair Value		1,830,000
U.S. government and government agency obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		7,397,000
Unrealized Gains		12,000
Unrealized Losses		(15,000)
Fair Value		7,394,000
Mortgage-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		5,576,000
Unrealized Gains		43,000
Unrealized Losses		(74,000)
Fair Value		5,545,000
Asset-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		2,370,000
Unrealized Gains		3,000
Unrealized Losses		(4,000)
Fair Value		2,369,000
Equity securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		2,000
Unrealized Gains		1,548,000
Fair Value		$ 1,550,000