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Note E - Accrued Liabilities | 6 Months Ended
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Oct. 31, 2012
Other Liabilities Disclosure [Text Block] | E – Accrued Liabilities A summary of accrued liabilities is as follows:
(In thousands) |  | October 31, 2012 |  |  | April 30, 2012 |
Compensation |  | $ | 3,453 |  |  | $ | 5,063 |
Cash overdrafts (see Note B) |  |  | 2,354 |  |  |  | 128 |
Deferred service contract revenue (see Note B) |  |  | 3,134 |  |  |  | 3,036 |
Deferred sales tax (see Note B) |  |  | 2,110 |  |  |  | 1,785 |
Interest |  |  | 223 |  |  |  | 185 |
Other |  |  | 2,922 |  |  |  | 3,152 |
|  | $ | 14,196 |  |  | $ | 13,349 |

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- Definition The entire disclosure for other liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 24 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
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