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|---|---|---|
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| 0000080420-22-000007-index.html | 2022-02-09 15:19:21 | |
| 0000080420-22-000007.txt | 2022-02-09 15:19:21 | |
 0000080420-22-000007-xbrl.zip | 191383 | 2022-02-09 15:19:21 |
| FilingSummary.xml | 29465 | 2022-02-09 15:19:21 |
| Financial_Report.xlsx | 67398 | 2022-02-09 15:19:21 |
| MetaLinks.json | 492577 | 2022-02-09 15:19:21 |
| powl-20211231.htm | 888088 | 2022-02-09 15:19:21 |
| powl-20211231.xsd | 32823 | 2022-02-09 15:19:21 |
| powl-20211231_cal.xml | 63548 | 2022-02-09 15:19:21 |
| powl-20211231_def.xml | 116263 | 2022-02-09 15:19:21 |
| powl-20211231_htm.xml | 722260 | 2022-02-09 15:19:21 |
| powl-20211231_lab.xml | 443193 | 2022-02-09 15:19:21 |
| powl-20211231_pre.xml | 279418 | 2022-02-09 15:19:21 |
| powlex101q12022-libortrans.htm | 138309 | 2022-02-09 15:19:21 |
| powlexhibit311q12022.htm | 10346 | 2022-02-09 15:19:21 |
| powlexhibit312q12022.htm | 10651 | 2022-02-09 15:19:21 |
| powlexhibit321q12022.htm | 4910 | 2022-02-09 15:19:21 |
| powlexhibit322q12022.htm | 4985 | 2022-02-09 15:19:21 |
| R1.htm | 52175 | 2022-02-09 15:19:21 |
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| R32.htm | 12030 | 2022-02-09 15:19:21 |
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| R9.htm | 20104 | 2022-02-09 15:19:21 |
| report.css | 2767 | 2022-02-09 15:19:21 |
| Show.js | 1085 | 2022-02-09 15:19:21 |