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Comprehensive Income (Tables) | 12 Months Ended
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Apr. 30, 2013
Comprehensive Income (Loss) Note [Abstract] |
Schedule of components of comprehensive income included in the consolidated statements of changes in shareholders' equity | 6155799223l30i71g61jig5436kljg43
($ in thousands) |  | Amount Before Tax |  |  | Tax Expense |  |  | Tax Benefit |  |  | Amount Net of Tax |
Change in unrealized gains on securities |  | $ | 255 |  |  | $ | (195 | ) |  | $ | 106 |  |  | $ | 166 |
|  | $ | 255 |  |  | $ | (195 | ) |  | $ | 106 |  |  | $ | 166 |
($ in thousands) |  | Amount Before Tax |  |  | Tax Expense |  |  | Tax Benefit |  |  | Amount Net of Tax |
Change in unrealized gains on securities |  | $ | 24 |  |  | $ | (33 | ) |  | $ | 24 |  |  | $ | 15 |
Add: Losses realized in net income |  |  | 11 |  |  |  | (4 | ) |  |  | - |  |  |  | 7 |
|  | $ | 35 |  |  | $ | (37 | ) |  | $ | 24 |  |  | $ | 22 |
($ in thousands) |  | Amount Before Tax |  |  | Tax Expense |  |  | Tax Benefit |  |  | Amount Net of Tax |
Change in unrealized gains on securities |  | $ | 32 |  |  | $ | (14 | ) |  | $ | 3 |  |  | $ | 21 |
Add: Losses realized in net income |  |  | 68 |  |  |  | (24 | ) |  |  | - |  |  |  | 44 |
|  | $ | 100 |  |  | $ | (38 | ) |  | $ | 3 |  |  | $ | 65 |

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e526-108580 + Details
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