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Note 8 - Leases (Tables) | 12 Months Ended
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Apr. 30, 2014
Leases [Abstract] |
Schedule of Capital Leased Assets [Table Text Block] |
|  | Asset balances at April 30, |
|  | 2014 |  |  | 2013 |
Real estate |  | $ | 13,668 |  |  | $ | 12,874 |
Equipment |  |  | 2,610 |  |  |  | 2,612 |
|  |  | 16,278 |  |  |  | 15,486 |
Less accumulated amortization |  |  | 5,202 |  |  |  | 4,900 |
|  | $ | 11,076 |  |  | $ | 10,586 |
Schedule Of Future Minimum Payments For Capital Leases And Noncancelable Operating Leases [Table Text Block] |
Years ended April 30, |  | Capital leases |  |  | Operating leases |
2015 |  | $ | 1,078 |  |  | $ | 872 |
2016 |  |  | 904 |  |  |  | 630 |
2017 |  |  | 868 |  |  |  | 547 |
2018 |  |  | 870 |  |  |  | 539 |
2019 |  |  | 876 |  |  |  | 378 |
Thereafter |  |  | 12,875 |  |  |  | 261 |
Total minimum lease payments |  |  | 17,471 |  |  | $ | 3,227 |
Less amount representing interest |  |  | 7,276 |  |  |  |  |
Present value of net minimum lease payments |  | $ | 10,195 |  |  |  |  |

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- Definition Future minimum payments under the capital leases and noncancelable operating leases with initial or remaining terms of one year. + References No definition available. + Details
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- Definition Tabular disclosure of long-lived, depreciable assets that are subject to a lease meeting the criteria for capitalization and are used in the normal conduct of business to produce goods and services. Examples may include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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