Securities Available for Sale - Securities Available for Sale in Continuous Unrealized Loss Position for Less Than 12 Months (Details) (USD $)	Mar. 31, 2015	Sep. 30, 2014
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Amortized cost	$ 68,222,987	$ 8,064,978
Gross unrealized losses	(296,683)	(61,794)
Estimated fair value	67,926,304	8,003,184
Other investment securities: collateralized loan obligations
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Amortized cost	16,127,470
Gross unrealized losses	(90,884)
Estimated fair value	16,036,586
Mortgage-backed securities: FHLMC certificates
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Amortized cost	17,508,321
Gross unrealized losses	(71,818)
Estimated fair value	17,436,503
Mortgage-backed securities: FNMA certificates
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Amortized cost	30,526,472	6,164,452
Gross unrealized losses	(111,084)	(2,285)
Estimated fair value	30,415,388	6,162,167
Collateralized mortgage obligations: private-label mortgage securities
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Amortized cost	4,060,724	1,900,526
Gross unrealized losses	(22,897)	(59,509)
Estimated fair value	$ 4,037,827	$ 1,841,017

Available For Sale Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Amortized Cost Basis

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- Definition

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 6

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563

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- Definition

This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 6

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563

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