Consolidated Statements of Shareholders' Equity - USD ($)	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Sep. 30, 2013	1,805,053	(424,307)
Balance at Sep. 30, 2013	$ 18,000	$ (4,000)	$ 1,755,000	$ 57,670,000	$ 53,908,000	$ 113,347,000
Net (loss) income				631,000		631,000
Unrealized gains on investments, net					22,393,000	22,393,000
Balance (in shares) at Sep. 30, 2014	1,805,053	(424,307)
Balance at Sep. 30, 2014	$ 18,000	$ (4,000)	1,755,000	58,301,000	76,301,000	136,371,000
Unrealized losses on investments, net					22,393,000	22,393,000
Reclassification adjustment of other-than-temporary impairment losses recognized in net income (net of taxes of $0, $146,000 and $0 for fiscal 2016, 2015 and 2014, respectively)
Net (loss) income				810,000		810,000
Unrealized gains on investments, net					(8,811,000)	(8,811,000)
Balance (in shares) at Sep. 30, 2015	1,805,053	(424,307)
Balance at Sep. 30, 2015	$ 18,000	$ (4,000)	1,755,000	59,111,000	67,720,000	128,600,000
Unrealized losses on investments, net					(8,811,000)	(8,811,000)
Reclassification adjustment of other-than-temporary impairment losses recognized in net income (net of taxes of $0, $146,000 and $0 for fiscal 2016, 2015 and 2014, respectively)					230,000	230,000
Net (loss) income				(1,043,000)		(1,043,000)
Unrealized gains on investments, net					(2,214,000)	(2,214,000)
Balance (in shares) at Sep. 30, 2016	1,805,053	(424,307)
Balance at Sep. 30, 2016	$ 18,000	$ (4,000)	1,755,000	58,068,000	65,506,000	125,343,000
Unrealized losses on investments, net					$ (2,214,000)	(2,214,000)
Reclassification adjustment of other-than-temporary impairment losses recognized in net income (net of taxes of $0, $146,000 and $0 for fiscal 2016, 2015 and 2014, respectively)