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| 0000080420-18-000013-index.html | 2018-05-09 15:04:23 | |
| 0000080420-18-000013.txt | 2018-05-09 15:04:23 | |
 0000080420-18-000013-xbrl.zip | 111262 | 2018-05-09 15:04:23 |
| FilingSummary.xml | 22145 | 2018-05-09 15:04:23 |
| Financial_Report.xlsx | 43716 | 2018-05-09 15:04:23 |
| powl-20180331.xml | 637482 | 2018-05-09 15:04:23 |
| powl-20180331.xsd | 26953 | 2018-05-09 15:04:23 |
| powl-20180331_cal.xml | 65436 | 2018-05-09 15:04:23 |
| powl-20180331_def.xml | 94259 | 2018-05-09 15:04:23 |
| powl-20180331_lab.xml | 391271 | 2018-05-09 15:04:23 |
| powl-20180331_pre.xml | 222029 | 2018-05-09 15:04:23 |
| powl10-qq22018.htm | 600382 | 2018-05-09 15:04:23 |
| powlexhibit311q22018.htm | 13257 | 2018-05-09 15:04:23 |
| powlexhibit312q22018.htm | 13437 | 2018-05-09 15:04:23 |
| powlexhibit321q22018.htm | 5865 | 2018-05-09 15:04:23 |
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| report.css | 2767 | 2018-05-09 15:04:23 |
| Show.js | 1410 | 2018-05-09 15:04:23 |