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| 0000080420-20-000020-index.html | 2020-05-06 14:42:03 | |
| 0000080420-20-000020.txt | 2020-05-06 14:42:03 | |
 0000080420-20-000020-xbrl.zip | 147082 | 2020-05-06 14:42:03 |
| FilingSummary.xml | 29379 | 2020-05-06 14:42:03 |
| Financial_Report.xlsx | 63654 | 2020-05-06 14:42:03 |
| powl-20200331.xml | 927510 | 2020-05-06 14:42:03 |
| powl-20200331.xsd | 34398 | 2020-05-06 14:42:03 |
| powl-20200331_cal.xml | 72595 | 2020-05-06 14:42:03 |
| powl-20200331_def.xml | 128849 | 2020-05-06 14:42:03 |
| powl-20200331_lab.xml | 490909 | 2020-05-06 14:42:03 |
| powl-20200331_pre.xml | 279596 | 2020-05-06 14:42:03 |
| powl10-qq22020.htm | 870174 | 2020-05-06 14:42:03 |
| powlexhibit311q22020.htm | 13268 | 2020-05-06 14:42:03 |
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| powlexhibit321q22020.htm | 5876 | 2020-05-06 14:42:03 |
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| report.css | 2767 | 2020-05-06 14:42:03 |
| Show.js | 1085 | 2020-05-06 14:42:03 |