Summary of Troubled Debt Restructurings (Detail) (USD $)	6 Months Ended	12 Months Ended
	Sep. 30, 2014 Contract	Mar. 31, 2014 Contract
Financing Receivable, Modifications [Line Items]
Number of contracts	10	8
Troubled debt restructurings	$ 5,515,730	$ 2,414,752
Real estate loans, One to four family
Financing Receivable, Modifications [Line Items]
Number of contracts	5	5
Troubled debt restructurings	1,459,444	1,477,534
Commercial Real Estate Other Receivable
Financing Receivable, Modifications [Line Items]
Number of contracts	2
Troubled debt restructurings	3,359,813
Commercial
Financing Receivable, Modifications [Line Items]
Number of contracts	3	3
Troubled debt restructurings	696,473	937,218
Performing
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings	4,801,035	1,538,004
Performing | Real estate loans, One to four family
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings	1,384,837	1,471,275
Performing | Commercial Real Estate Other Receivable
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings	3,359,813
Performing | Commercial
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings	56,385	66,729
Nonperforming
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings	714,695	876,748
Nonperforming | Real estate loans, One to four family
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings	74,607	6,259
Nonperforming | Commercial
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings	$ 640,088	$ 870,489