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Accrued Liabilities | 12 Months Ended
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Apr. 30, 2020
Payables and Accruals [Abstract] |
Accounts Payable and Accrued Liabilities Disclosure [Text Block] | 10. Accrued Liabilities Accrued liabilities at April 30, 2020 and 2019, respectively, consisted of the following (in thousands):
|  | 2020 |  |  | 2019 |
Vacation and other compensation |  | $ | 1,437 |  |  | $ | 1,659 |
Incentive compensation |  |  | 107 |  |  |  | 346 |
Payroll taxes |  |  | 379 |  |  |  | 155 |
Warranty reserve |  |  | 527 |  |  |  | 529 |
Commissions |  |  | 345 |  |  |  | 378 |
Other |  |  | 1,187 |  |  |  | 504 |
|  | $ | 3,982 |  |  | $ | 3,571 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- References No definition available. + Details
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