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Revenue Recognition (Tables) | 6 Months Ended
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Oct. 31, 2020
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | A summary of net sales transferred to customers over time and at a point in time for the periods ended October 31, 2020 and October 31, 2019 is as follows (in thousands):
| Three Months Ended October 31, 2020 |  | Three Months Ended October 31, 2019
| Domestic |  | International |  | Total |  | Domestic |  | International |  | Total
Over Time | $ | 26,950 |  |  | $ | 10,228 |  |  | $ | 37,178 |  |  | $ | 29,950 |  |  | $ | 8,138 |  |  | $ | 38,088 |
Point in Time | 1,822 |  |  | — |  |  | 1,822 |  |  | 1,634 |  |  | — |  |  | 1,634 |
| $ | 28,772 |  |  | $ | 10,228 |  |  | $ | 39,000 |  |  | $ | 31,584 |  |  | $ | 8,138 |  |  | $ | 39,722 |
| Six Months Ended October 31, 2020 |  | Six Months Ended October 31, 2019
| Domestic |  | International |  | Total |  | Domestic |  | International |  | Total
Over Time | $ | 56,030 |  |  | $ | 16,593 |  |  | $ | 72,623 |  |  | $ | 58,185 |  |  | $ | 18,187 |  |  | $ | 76,372 |
Point in Time | 2,800 |  |  | — |  |  | 2,800 |  |  | 2,686 |  |  | — |  |  | 2,686 |
| $ | 58,830 |  |  | $ | 16,593 |  |  | $ | 75,423 |  |  | $ | 60,871 |  |  | $ | 18,187 |  |  | $ | 79,058 |

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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=118956577&loc=SL49130545-203045 + Details
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- References No definition available. + Details
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