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Revenue Recognition (Tables) | 12 Months Ended
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Apr. 30, 2021
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | A summary of net sales transferred to customers at a point in time and over time for the twelve months ended April 30 is as follows (in thousands):
|  | 2021
|  | Domestic |  | International |  |  | Total
Over Time |  | $ | 107,575 |  |  |  | $ | 36,434 |  |  |  | $ | 144,009 |
Point in Time |  | 3,460 |  |  |  | — |  |  |  | 3,460 |
Total Revenue |  | $ | 111,035 |  |  |  | $ | 36,434 |  |  |  | $ | 147,469 |
|  | 2020
|  | Domestic |  |  | International |  |  | Total
Over Time |  | $ | 109,982 |  |  |  | $ | 32,437 |  |  |  | $ | 142,419 |
Point in Time |  | 5,121 |  |  |  | — |  |  |  | 5,121 |
Total Revenue |  | $ | 115,103 |  |  |  | $ | 32,437 |  |  |  | $ | 147,540 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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