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Stockholders' Equity (Tables) | 12 Months Ended
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Mar. 31, 2016
Stockholders' Equity Note [Abstract] |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] | The table below presents the Bank's regulatory capital ratios at March 31, 2016 and 2015.
|  | March 31, 2016 |  | March 31, 2015 Restated (1)
($ in thousands) |  | Amount |  | Ratio |  | Amount |  | Ratio
Tier 1 leverage capital |  |  |  |  |  |  |  |
Regulatory capital |  | $ | 66,476 |  |  | 9.22 | % |  | $ | 65,910 |  |  | 10.63 | %
Minimum capital requirement |  | 28,838 |  |  | 4.00 | % |  | 24,793 |  |  | 4.00 | %
Excess |  | 37,638 |  |  | 5.22 | % |  | 41,117 |  |  | 6.63 | %
Common equity Tier 1 |  |  |  |  |  |  |  |
Regulatory capital |  | $ | 66,476 |  |  | 12.66 | % |  | $ | 65,910 |  |  | 14.80 | %
Minimum capital requirement |  | 23,653 |  |  | 4.50 | % |  | 20,045 |  |  | 4.50 | %
Excess |  | 42.823 |  |  | 8.16 | % |  | 45.865 |  |  | 10.30 | %
Tier 1 risk-based capital |  |  |  |  |  |  |  |
Regulatory capital |  | $ | 66,476 |  |  | 12.66 | % |  | $ | 65,910 |  |  | 14.80 | %
Minimum capital requirement |  | 31,538 |  |  | 6.00 | % |  | 26,726 |  |  | 6.00 | %
Excess |  | 34,938 |  |  | 6.66 | % |  | 39,184 |  |  | 8.80 | %
Total risk-based capital |  |  |  |  |  |  |  |
Regulatory capital |  | $ | 73,797 |  |  | 14.04 | % |  | $ | 73,404 |  |  | 16.48 | %
Minimum capital requirement |  | 42,050 |  |  | 8.00 | % |  | 35,635 |  |  | 8.00 | %
Excess |  | 31,747 |  |  | 6.04 | % |  | 37,769 |  |  | 8.48 | %

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958577-112826 + Details
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