Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000080420-22-000019-index-headers.html | 2022-05-04 15:53:18 | |
| 0000080420-22-000019-index.html | 2022-05-04 15:53:18 | |
| 0000080420-22-000019.txt | 2022-05-04 15:53:18 | |
 0000080420-22-000019-xbrl.zip | 189142 | 2022-05-04 15:53:18 |
| FilingSummary.xml | 28893 | 2022-05-04 15:53:18 |
| Financial_Report.xlsx | 69797 | 2022-05-04 15:53:18 |
| MetaLinks.json | 492190 | 2022-05-04 15:53:18 |
| powl-20220331.htm | 1096004 | 2022-05-04 15:53:18 |
| powl-20220331.xsd | 32408 | 2022-05-04 15:53:18 |
| powl-20220331_cal.xml | 64283 | 2022-05-04 15:53:18 |
| powl-20220331_def.xml | 117457 | 2022-05-04 15:53:18 |
| powl-20220331_htm.xml | 920864 | 2022-05-04 15:53:18 |
| powl-20220331_lab.xml | 446192 | 2022-05-04 15:53:18 |
| powl-20220331_pre.xml | 278987 | 2022-05-04 15:53:18 |
| powlexhibit311q22022.htm | 10341 | 2022-05-04 15:53:18 |
| powlexhibit312q22022.htm | 10646 | 2022-05-04 15:53:18 |
| powlexhibit321q22022.htm | 4902 | 2022-05-04 15:53:18 |
| powlexhibit322q22022.htm | 4977 | 2022-05-04 15:53:18 |
| R1.htm | 52346 | 2022-05-04 15:53:18 |
| R10.htm | 39624 | 2022-05-04 15:53:18 |
| R11.htm | 61236 | 2022-05-04 15:53:18 |
| R12.htm | 14703 | 2022-05-04 15:53:18 |
| R13.htm | 8926 | 2022-05-04 15:53:18 |
| R14.htm | 15681 | 2022-05-04 15:53:18 |
| R15.htm | 40626 | 2022-05-04 15:53:18 |
| R16.htm | 39287 | 2022-05-04 15:53:18 |
| R17.htm | 25899 | 2022-05-04 15:53:18 |
| R18.htm | 5416 | 2022-05-04 15:53:18 |
| R19.htm | 29697 | 2022-05-04 15:53:18 |
| R2.htm | 125232 | 2022-05-04 15:53:18 |
| R20.htm | 26414 | 2022-05-04 15:53:18 |
| R21.htm | 44468 | 2022-05-04 15:53:18 |
| R22.htm | 43391 | 2022-05-04 15:53:18 |
| R23.htm | 13103 | 2022-05-04 15:53:18 |
| R24.htm | 11673 | 2022-05-04 15:53:18 |
| R25.htm | 34260 | 2022-05-04 15:53:18 |
| R26.htm | 41321 | 2022-05-04 15:53:18 |
| R27.htm | 19499 | 2022-05-04 15:53:18 |
| R28.htm | 3937 | 2022-05-04 15:53:18 |
| R29.htm | 40098 | 2022-05-04 15:53:18 |
| R3.htm | 17791 | 2022-05-04 15:53:18 |
| R30.htm | 11977 | 2022-05-04 15:53:18 |
| R31.htm | 9817 | 2022-05-04 15:53:18 |
| R32.htm | 12699 | 2022-05-04 15:53:18 |
| R33.htm | 15180 | 2022-05-04 15:53:18 |
| R34.htm | 9159 | 2022-05-04 15:53:18 |
| R35.htm | 19777 | 2022-05-04 15:53:18 |
| R36.htm | 30675 | 2022-05-04 15:53:18 |
| R37.htm | 10094 | 2022-05-04 15:53:18 |
| R38.htm | 49068 | 2022-05-04 15:53:18 |
| R39.htm | 21685 | 2022-05-04 15:53:18 |
| R4.htm | 77933 | 2022-05-04 15:53:18 |
| R40.htm | 35817 | 2022-05-04 15:53:18 |
| R41.htm | 24967 | 2022-05-04 15:53:18 |
| R42.htm | 21198 | 2022-05-04 15:53:18 |
| R43.htm | 13959 | 2022-05-04 15:53:18 |
| R44.htm | 8600 | 2022-05-04 15:53:18 |
| R45.htm | 11857 | 2022-05-04 15:53:18 |
| R46.htm | 20528 | 2022-05-04 15:53:18 |
| R47.htm | 26493 | 2022-05-04 15:53:18 |
| R48.htm | 7681 | 2022-05-04 15:53:18 |
| R5.htm | 21049 | 2022-05-04 15:53:18 |
| R6.htm | 60012 | 2022-05-04 15:53:18 |
| R7.htm | 79953 | 2022-05-04 15:53:18 |
| R8.htm | 14958 | 2022-05-04 15:53:18 |
| R9.htm | 27712 | 2022-05-04 15:53:18 |
| report.css | 2767 | 2022-05-04 15:53:18 |
| Show.js | 1085 | 2022-05-04 15:53:18 |