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| 0000080420-18-000007-index.html | 2018-02-07 15:47:52 | |
| 0000080420-18-000007.txt | 2018-02-07 15:47:52 | |
 0000080420-18-000007-xbrl.zip | 103824 | 2018-02-07 15:47:52 |
| FilingSummary.xml | 22121 | 2018-02-07 15:47:52 |
| Financial_Report.xlsx | 42751 | 2018-02-07 15:47:52 |
| powl-20171231.xml | 506045 | 2018-02-07 15:47:52 |
| powl-20171231.xsd | 26932 | 2018-02-07 15:47:52 |
| powl-20171231_cal.xml | 64898 | 2018-02-07 15:47:52 |
| powl-20171231_def.xml | 95073 | 2018-02-07 15:47:52 |
| powl-20171231_lab.xml | 389370 | 2018-02-07 15:47:52 |
| powl-20171231_pre.xml | 222631 | 2018-02-07 15:47:52 |
| powl10-qq12018.htm | 490261 | 2018-02-07 15:47:52 |
| powlexhibit311q12018.htm | 13262 | 2018-02-07 15:47:52 |
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| powlexhibit321q12018.htm | 5873 | 2018-02-07 15:47:52 |
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| report.css | 2767 | 2018-02-07 15:47:52 |
| Show.js | 1410 | 2018-02-07 15:47:52 |