Consolidated Statement of Stockholders Equity (USD $)	3 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Balance at September 30, 2011	$ 136,371,000	$ 113,347,000	$ 136,371,000	$ 113,347,000	$ 87,225,000	$ 64,879,000
Net income	1,180	968	631,000	3,779,000	5,541,000
Net change in unrealized appreciation of investments (net of taxes of $14,286,000, $13,544,000 and $9,991,000, respectively)			22,393,000	21,292,000	15,085,000
Reclassification adjustment of other-than-temporary impairment losses recognized in net income (net of taxes of $0, $668,000 and $1,135,000, respectively)				1,051,000	1,720,000
Balance at September 30, 2014	136,371,000	113,347,000	136,371,000	113,347,000	87,225,000	64,879,000
Accumulated Other Comprehensive Income (Loss) [Member]
Balance at September 30, 2011	76,301,000	53,908,000	76,301,000	53,908,000	31,565,000	14,760,000
Net change in unrealized appreciation of investments (net of taxes of $14,286,000, $13,544,000 and $9,991,000, respectively)			22,393,000	21,292,000	15,085,000
Reclassification adjustment of other-than-temporary impairment losses recognized in net income (net of taxes of $0, $668,000 and $1,135,000, respectively)				1,051,000	1,720,000
Balance at September 30, 2014	76,301,000	53,908,000	76,301,000	53,908,000	31,565,000	14,760,000
Additional Paid-in Capital [Member]
Balance at September 30, 2011	1,755,000	1,755,000	1,755,000	1,755,000	1,755,000	1,755,000
Balance at September 30, 2014	1,755,000	1,755,000	1,755,000	1,755,000	1,755,000	1,755,000
Common Stock [Member]
Balance at September 30, 2011 (in shares)	1,805,053	1,805,053	1,805,053	1,805,053	1,805,053	1,805,053
Balance at September 30, 2011	18,000	18,000	18,000	18,000	18,000	18,000
Balance at September 30, 2014 (in shares)	1,805,053	1,805,053	1,805,053	1,805,053	1,805,053	1,805,053
Balance at September 30, 2014	18,000	18,000	18,000	18,000	18,000	18,000
Retained Earnings [Member]
Balance at September 30, 2011	58,301,000	57,670,000	58,301,000	57,670,000	53,891,000	48,350,000
Net income			631,000	3,779,000	5,541,000
Balance at September 30, 2014	58,301,000	57,670,000	58,301,000	57,670,000	53,891,000	48,350,000
Treasury Stock [Member]
Balance at September 30, 2011 (in shares)	(424,307)	(424,307)	(424,307)	(424,307)	(424,307)	(424,307)
Balance at September 30, 2011	(4,000)	(4,000)	(4,000)	(4,000)	(4,000)	(4,000)
Balance at September 30, 2014 (in shares)	(424,307)	(424,307)	(424,307)	(424,307)	(424,307)	(424,307)
Balance at September 30, 2014	$ (4,000)	$ (4,000)	$ (4,000)	$ (4,000)	$ (4,000)	$ (4,000)