Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands		Dec. 31, 2016	Mar. 31, 2016
Financial Assets:
Investments, Fair Value Disclosure		$ 73,931	$ 71,833
Held-to-maturity, Fair Value	[1]	13,907	15,653
Loans Held-for-sale, Fair Value Disclosure			2,495
Mortgage servicing rights		193	201
Fair Value, Inputs, Level 1 [Member]
Financial Assets:
Cash and cash equivalents		61,464	63,660
Restricted cash		0	0
Investments, Fair Value Disclosure		0	0
FHLB Stock		0	0
Held-to-maturity, Fair Value		0	0
Loans Receivable		0	0
Loans Held-for-sale, Fair Value Disclosure		0	0
Accrued interest receivable		0	0
Mortgage servicing rights		0	0
Other assets - Interest-bearing deposits		0	0
Financial Liabilities:
Deposits		306,466	329,398
Federal Home Loan Bank Borrowings		0	0
Repos		0
Subordinated Debt Obligations, Fair Value Disclosure		0	0
Accrued interest payable		0	0
Fair Value, Inputs, Level 2 [Member]
Financial Assets:
Cash and cash equivalents		0	0
Restricted cash		269	225
Investments, Fair Value Disclosure		59,619	55,987	[2]
FHLB Stock		2,576	2,883
Held-to-maturity, Fair Value		13,907	15,653
Loans Receivable		0	0
Loans Held-for-sale, Fair Value Disclosure		0	0
Accrued interest receivable		3,125	3,647
Mortgage servicing rights		0	0
Other assets - Interest-bearing deposits		984	983
Financial Liabilities:
Deposits		240,131	255,996
Federal Home Loan Bank Borrowings		38,987	50,141
Repos		1,002
Subordinated Debt Obligations, Fair Value Disclosure		17,591	18,734
Accrued interest payable		124	2,174
Fair Value, Inputs, Level 3 [Member]
Financial Assets:
Cash and cash equivalents		0	0
Restricted cash		0	0
Investments, Fair Value Disclosure		405	193	[2]
FHLB Stock		0	0
Held-to-maturity, Fair Value		0	0
Loans Receivable		543,351	585,650
Loans Held-for-sale, Fair Value Disclosure		16,103	2,495
Accrued interest receivable		0	0
Mortgage servicing rights		193	201
Other assets - Interest-bearing deposits		0	0
Financial Liabilities:
Deposits		0	0
Federal Home Loan Bank Borrowings		0	0
Repos		0
Subordinated Debt Obligations, Fair Value Disclosure		0	0
Accrued interest payable		0	0
Reported Value Measurement [Member]
Financial Assets:
Cash and cash equivalents		61,464	63,660
Restricted cash		269	225
Investments, Fair Value Disclosure		60,024	56,180
FHLB Stock		2,576	2,883
Held-to-maturity, Fair Value		13,913	15,311
Loans Receivable		528,671	583,787
Loans Held-for-sale, Fair Value Disclosure		16,103	2,495
Accrued interest receivable		3,125	3,647
Mortgage servicing rights		193	201
Other assets - Interest-bearing deposits		984	983
Financial Liabilities:
Deposits		578,158	606,741
Federal Home Loan Bank Borrowings		39,000	50,000
Repos		1,000
Subordinated Debt Obligations, Fair Value Disclosure		18,403	18,403
Accrued interest payable		124	2,174
Estimate of Fair Value Measurement [Member]
Financial Assets:
Cash and cash equivalents		61,464	63,660
Restricted cash		269	225
Investments, Fair Value Disclosure		60,024	56,180
FHLB Stock		2,576	2,883
Held-to-maturity, Fair Value		13,907	15,653
Loans Receivable		543,351	585,650
Loans Held-for-sale, Fair Value Disclosure		16,103	2,495
Accrued interest receivable		3,125	3,647
Mortgage servicing rights		193	201
Other assets - Interest-bearing deposits		984	983
Financial Liabilities:
Deposits		546,597	585,394
Federal Home Loan Bank Borrowings		38,987	50,141
Repos		1,002
Subordinated Debt Obligations, Fair Value Disclosure		17,591	18,734
Accrued interest payable		$ 124	$ 2,174

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

[2] (1) March 31, 2016 has been corrected from previously reported amounts for the classification of a private equity investment from Level 2 to Level 3