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Investment Securities (Tables) | 3 Months Ended | 12 Months Ended
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Jun. 30, 2013 | Mar. 31, 2013
INVESTMENT SECURITIES [Abstract] |  |
Fair Value, Measurement Inputs, Disclosure [Table Text Block] | The following table sets forth the amortized cost and estimated fair value of securities available-for-sale and held-to-maturity at June 30, 2013:
|  | Amortized |  | Gross Unrealized |  |
$ in thousands |  | Cost |  | Gains |  | Losses |  | Fair-Value
Available-for-Sale: |  |  |  |  |  |  |  |
Mortgage-backed securities: |  |  |  |  |  |  |  |
Government National Mortgage Association |  | $ | 17,123 |  |  | $ | 404 |  |  | $ | (123 | ) |  | $ | 17,404 |
Federal Home Loan Mortgage Corporation |  | 17,736 |  |  | 5 |  |  | (369 | ) |  | 17,372 |
Federal National Mortgage Association |  | 11,659 |  |  | — |  |  | (466 | ) |  | 11,193 |
Other |  | 50 |  |  | — |  |  | — |  |  | 50 |
Total mortgage-backed securities |  | 46,568 |  |  | 409 |  |  | (958 | ) |  | 46,019 |
U.S. Government Agency Securities |  | 50,593 |  |  | — |  |  | (2,667 | ) |  | 47,926 |
Asset-backed Securities |  | 12,567 |  |  | 199 |  |  | — |  |  | 12,766 |
Other |  | 10,000 |  |  | — |  |  | (334 | ) |  | 9,666 |
Total available-for-sale |  | 119,728 |  |  | 608 |  |  | (3,959 | ) |  | 116,377 |
Held-to-Maturity *: |  |  |  |  |  |  |  |
Mortgage-backed securities: |  |  |  |  |  |  |  |
Government National Mortgage Association |  | 4,838 |  |  | 257 |  |  | — |  |  | 5,095 |
Federal Home Loan Mortgage Corporation |  | 2,294 |  |  | 102 |  |  | — |  |  | 2,396 |
Federal National Mortgage Association |  | 6,405 |  |  | 75 |  |  | (303 | ) |  | 6,177 |
Total held-to-maturity mortgage-backed securities |  | 13,537 |  |  | 434 |  |  | (303 | ) |  | 13,668 |
Total securities |  | $ | 133,265 |  |  | $ | 1,042 |  |  | $ | (4,262 | ) |  | $ | 130,045 |
* The carrying amount and amortized cost are the same for all held to maturity securities, as no OTTI has been recorded.
| The following table sets forth the amortized cost and estimated fair value of securities available-for-sale and held-to-maturity at March 31, 2013:
|  | Amortized |  | Gross Unrealized |  | Estimated
$ in thousands |  | Cost |  | Gains |  | Losses |  | Fair Value
Available-for-Sale: |  |  |  |  |  |  |  |
Mortgage-backed securities: |  |  |  |  |  |  |  |
Government National Mortgage Association |  | $ | 23,164 |  |  | $ | 676 |  |  | $ | — |  |  | $ | 23,840 |
Federal Home Loan Mortgage Corporation |  | 16,059 |  |  | 104 |  |  | (104 | ) |  | 16,059 |
Federal National Mortgage Association |  | 4,186 |  |  | 117 |  |  | — |  |  | 4,303 |
Other |  | 50 |  |  | — |  |  | — |  |  | 50 |
Total mortgage-backed securities |  | 43,459 |  |  | 897 |  |  | (104 | ) |  | 44,252 |
U.S. Government Agency Securities |  | 44,363 |  |  | 139 |  |  | (177 | ) |  | 44,325 |
Asset Backed Securities |  | 15,268 |  |  | 251 |  |  | — |  |  | 15,519 |
Small Business Administration |  | 1,919 |  |  | 45 |  |  | — |  |  | 1,964 |
Other |  | 10,000 |  |  | — |  |  | (9 | ) |  | 9,991 |
Total available-for-sale |  | 115,009 |  |  | 1,332 |  |  | (290 | ) |  | 116,051 |
Held-to-Maturity: |  |  |  |  |  |  |  |
Mortgage-backed securities *: |  |  |  |  |  |  |  |
Government National Mortgage Association |  | 5,335 |  |  | 404 |  |  | — |  |  | 5,739 |
Federal Home Loan Mortgage Corporation |  | 2,387 |  |  | 103 |  |  | — |  |  | 2,490 |
Federal National Mortgage Association |  | 1,321 |  |  | 79 |  |  | — |  |  | 1,400 |
Total held-to-maturity mortgage-backed securities |  | 9,043 |  |  | 586 |  |  | — |  |  | 9,629 |
Total securities |  | $ | 124,052 |  |  | $ | 1,918 |  |  | $ | (290 | ) |  | $ | 125,680 |
* The carrying amount and amortized cost are the same for all held to maturity securities, as no OTTI has been recorded.
Schedule of Unrealized Loss on Investments [Table Text Block] | The following table sets forth the unrealized losses and fair value of securities at June 30, 2013 for less than 12 months and 12 months or longer:
|  | Less than 12 months |  | 12 months or longer |  | Total
$ in thousands |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value
Available-for-Sale: |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities |  | $ | (958 | ) |  | $ | 33,268 |  |  | $ | — |  |  | $ | — |  |  | $ | (958 | ) |  | $ | 33,268 |
U.S. Government Agency Securities |  | (2,667 | ) |  | 48,038 |  |  | — |  |  | — |  |  | (2,667 | ) |  | 48,038 |
Other |  | (334 | ) |  | 9,666 |  |  | — |  |  | — |  |  | (334 | ) |  | 9,666 |
Total available-for-sale securities |  | (3,959 | ) |  | 90,972 |  |  | — |  |  | — |  |  | (3,959 | ) |  | 90,972 |
Held-to-Maturity: |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities |  | (303 | ) |  | 4,848 |  |  | — |  |  | — |  |  | (303 | ) |  | 4,848 |
Total held-to-maturity |  | (303 | ) |  | 4,848 |  |  | — |  |  | — |  |  | (303 | ) |  | 4,848 |
Total securities |  | $ | (4,262 | ) |  | $ | 95,820 |  |  | $ | — |  |  | $ | — |  |  | $ | (4,262 | ) |  | $ | 95,820 |
| The following table sets forth the unrealized losses and fair value of securities in an unrealized loss position at March 31, 2013 for less than 12 months and 12 months or longer:
|  | Less than 12 months |  | 12 months or longer |  | Total
$ in thousands |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value
Available-for-Sale: |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities |  | $ | (104 | ) |  | $ | 10,298 |  |  | $ | — |  |  | $ | — |  |  | $ | (104 | ) |  | $ | 10,298 |
U.S. Government Agency Securities |  | (177 | ) |  | 25,290 |  |  | — |  |  | — |  |  | (177 | ) |  | 25,290 |
Other |  | (9 | ) |  | 9,991 |  |  | — |  |  | — |  |  | (9 | ) |  | 9,991 |
Total available-for-sale securities |  | $ | (290 | ) |  | $ | 45,579 |  |  | $ | — |  |  | $ | — |  |  | $ | (290 | ) |  | $ | 45,579 |
Investments Classified by Contractual Maturity Date [Table Text Block] | The following is a summary of the carrying value (amortized cost) and fair value of securities at June 30, 2013, by remaining period to contractual maturity (ignoring earlier call dates, if any). Actual maturities may differ from contractual maturities because certain security issuers have the right to call or prepay their obligations. The table below does not consider the effects of possible prepayments or unscheduled repayments.
$ in thousands | Amortized Cost |  | Fair Value |  | Weighted Average Yield
Available-for-Sale: |  |  |  |  |
One through five years | $ | 2,000 |  |  | $ | 1,969 |  |  | 1.50 | %
Five through ten years | 32,044 |  |  | 31,052 |  |  | 1.52 | %
After ten years | 85,684 |  |  | 83,356 |  |  | 1.54 | %
Total | $ | 119,728 |  |  | $ | 116,377 |  |  | 1.54 | %
Held-to-maturity: |  |  |  |  |
One through five years | $ | 135 |  |  | $ | 138 |  |  | 2.76 | %
Five through ten years | 5,201 |  |  | 4,904 |  |  | 2.42 | %
After ten years | 8,201 |  |  | 8,626 |  |  | 3.52 | %
Total | $ | 13,537 |  |  | $ | 13,668 |  |  | 3.09 | %

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- Definition The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 33 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19279-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 6 -Footnote 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 + Details
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