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| 0000080420-21-000013-index.html | 2021-02-03 14:51:11 | |
| 0000080420-21-000013.txt | 2021-02-03 14:51:11 | |
 0000080420-21-000013-xbrl.zip | 176702 | 2021-02-03 14:51:11 |
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| powl-20201231_cal.xml | 74770 | 2021-02-03 14:51:11 |
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| powl-20201231_lab.xml | 443049 | 2021-02-03 14:51:11 |
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| report.css | 2767 | 2021-02-03 14:51:11 |
| Show.js | 1085 | 2021-02-03 14:51:11 |