Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Mar. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Restricted cash		$ 6,368	$ 6,354
Available-for-sale		86,972	101,185
Federal Home Loan Bank of New York (“FHLB-NY”) stock		2,433	3,519
Held-to-maturity Securities, Fair Value	[1]	16,669	12,231
Held-to-maturity Securities, Amortized Cost	[1]	16,596	11,922
Loans held-for-sale (HFS)		2,576	2,576
Accrued interest receivable		2,902	2,781
Mortgage servicing rights		204	210
Deposits		546,580	527,761
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		45,830	50,992
Restricted cash		0	0
Available-for-sale		0	0
Federal Home Loan Bank of New York (“FHLB-NY”) stock		0	0
Held-to-maturity Securities, Fair Value		0	0
Loans Receivable		0	0
Loans held-for-sale (HFS)		0	0
Accrued interest receivable		0	0
Mortgage servicing rights		0	0
Deposits		311,186	309,897
Federal Home Loan Bank Borrowings		0	0
Subordinated Debt Obligations, Fair Value Disclosure		0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		0	0
Restricted cash		6,368	6,354
Available-for-sale		86,926	101,138
Federal Home Loan Bank of New York (“FHLB-NY”) stock		2,433	3,519
Held-to-maturity Securities, Fair Value		16,669	12,231
Loans Receivable		0	0
Loans held-for-sale (HFS)		2,576	2,576
Accrued interest receivable		2,902	2,781
Mortgage servicing rights		0	0
Deposits		220,963	201,263
Federal Home Loan Bank Borrowings		40,704	65,827
Subordinated Debt Obligations, Fair Value Disclosure		18,935	18,931
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		0	0
Restricted cash		0	0
Available-for-sale		46	47
Federal Home Loan Bank of New York (“FHLB-NY”) stock		0	0
Held-to-maturity Securities, Fair Value		0	0
Loans Receivable		494,019	485,458
Loans held-for-sale (HFS)		0	0
Accrued interest receivable		0	0
Mortgage servicing rights		204	210
Deposits		0	0
Federal Home Loan Bank Borrowings		0	0
Subordinated Debt Obligations, Fair Value Disclosure		0	0
Reported Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		45,830	50,992
Restricted cash			6,354
Federal Home Loan Bank of New York (“FHLB-NY”) stock			3,519
Loans Receivable		487,783	478,716
Accrued interest receivable			2,781
Deposits		546,580	527,761
Federal Home Loan Bank Borrowings		40,000	65,000
Subordinated Debt Obligations, Fair Value Disclosure		18,403	18,403
Estimate of Fair Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		45,830	50,992
Restricted cash		6,368	6,354
Available-for-sale		86,972	101,185
Federal Home Loan Bank of New York (“FHLB-NY”) stock		2,433	3,519
Held-to-maturity Securities, Fair Value		16,669	12,231
Loans Receivable		494,019	485,458
Loans held-for-sale (HFS)		2,576	2,576
Accrued interest receivable		2,902	2,781
Mortgage servicing rights		204	210
Deposits		532,149	511,160
Federal Home Loan Bank Borrowings		40,704	65,827
Subordinated Debt Obligations, Fair Value Disclosure		$ 18,935	$ 18,931

[1] * The carrying amount and amortized cost are the same for all held-to-maturity securities, as no OTTI has been recorded.