Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000080420-18-000022-index-headers.html | 2018-08-08 14:49:13 | |
| 0000080420-18-000022-index.html | 2018-08-08 14:49:13 | |
| 0000080420-18-000022.txt | 2018-08-08 14:49:13 | |
 0000080420-18-000022-xbrl.zip | 108784 | 2018-08-08 14:49:13 |
| FilingSummary.xml | 22186 | 2018-08-08 14:49:13 |
| Financial_Report.xlsx | 43902 | 2018-08-08 14:49:13 |
| powl-20180630.xml | 651438 | 2018-08-08 14:49:13 |
| powl-20180630.xsd | 27480 | 2018-08-08 14:49:13 |
| powl-20180630_cal.xml | 66076 | 2018-08-08 14:49:13 |
| powl-20180630_def.xml | 90223 | 2018-08-08 14:49:13 |
| powl-20180630_lab.xml | 390736 | 2018-08-08 14:49:13 |
| powl-20180630_pre.xml | 221385 | 2018-08-08 14:49:13 |
| powl10-qq32018.htm | 599550 | 2018-08-08 14:49:13 |
| powlexhibit311q32018.htm | 13260 | 2018-08-08 14:49:13 |
| powlexhibit312q32018.htm | 13440 | 2018-08-08 14:49:13 |
| powlexhibit321q32018.htm | 5867 | 2018-08-08 14:49:13 |
| powlexhibit322q32018.htm | 5935 | 2018-08-08 14:49:13 |
| R1.htm | 22131 | 2018-08-08 14:49:13 |
| R10.htm | 19604 | 2018-08-08 14:49:13 |
| R11.htm | 10980 | 2018-08-08 14:49:13 |
| R12.htm | 22496 | 2018-08-08 14:49:13 |
| R13.htm | 59984 | 2018-08-08 14:49:13 |
| R14.htm | 34605 | 2018-08-08 14:49:13 |
| R15.htm | 5152 | 2018-08-08 14:49:13 |
| R16.htm | 21325 | 2018-08-08 14:49:13 |
| R17.htm | 38020 | 2018-08-08 14:49:13 |
| R18.htm | 82921 | 2018-08-08 14:49:13 |
| R19.htm | 15007 | 2018-08-08 14:49:13 |
| R2.htm | 103399 | 2018-08-08 14:49:13 |
| R20.htm | 15423 | 2018-08-08 14:49:13 |
| R21.htm | 53166 | 2018-08-08 14:49:13 |
| R22.htm | 31042 | 2018-08-08 14:49:13 |
| R23.htm | 25825 | 2018-08-08 14:49:13 |
| R24.htm | 13607 | 2018-08-08 14:49:13 |
| R25.htm | 9784 | 2018-08-08 14:49:13 |
| R26.htm | 18952 | 2018-08-08 14:49:13 |
| R27.htm | 12680 | 2018-08-08 14:49:13 |
| R28.htm | 9318 | 2018-08-08 14:49:13 |
| R29.htm | 40045 | 2018-08-08 14:49:13 |
| R3.htm | 19361 | 2018-08-08 14:49:13 |
| R30.htm | 26715 | 2018-08-08 14:49:13 |
| R31.htm | 38501 | 2018-08-08 14:49:13 |
| R32.htm | 25241 | 2018-08-08 14:49:13 |
| R33.htm | 24922 | 2018-08-08 14:49:13 |
| R34.htm | 15199 | 2018-08-08 14:49:13 |
| R35.htm | 7618 | 2018-08-08 14:49:13 |
| R36.htm | 7660 | 2018-08-08 14:49:13 |
| R4.htm | 59293 | 2018-08-08 14:49:13 |
| R5.htm | 11982 | 2018-08-08 14:49:13 |
| R6.htm | 77114 | 2018-08-08 14:49:13 |
| R7.htm | 19199 | 2018-08-08 14:49:13 |
| R8.htm | 39148 | 2018-08-08 14:49:13 |
| R9.htm | 76708 | 2018-08-08 14:49:13 |
| report.css | 2767 | 2018-08-08 14:49:13 |
| Show.js | 1410 | 2018-08-08 14:49:13 |