Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000080420-20-000005-index-headers.html | 2020-02-05 15:01:22 | |
| 0000080420-20-000005-index.html | 2020-02-05 15:01:22 | |
| 0000080420-20-000005.txt | 2020-02-05 15:01:22 | |
 0000080420-20-000005-xbrl.zip | 127611 | 2020-02-05 15:01:22 |
| FilingSummary.xml | 29383 | 2020-02-05 15:01:22 |
| Financial_Report.xlsx | 58578 | 2020-02-05 15:01:22 |
| powl-20191231.xml | 680337 | 2020-02-05 15:01:22 |
| powl-20191231.xsd | 33671 | 2020-02-05 15:01:22 |
| powl-20191231_cal.xml | 73107 | 2020-02-05 15:01:22 |
| powl-20191231_def.xml | 124079 | 2020-02-05 15:01:22 |
| powl-20191231_lab.xml | 482482 | 2020-02-05 15:01:22 |
| powl-20191231_pre.xml | 274624 | 2020-02-05 15:01:22 |
| powl10-qq12020.htm | 651546 | 2020-02-05 15:01:22 |
| powlexhibit311q12020.htm | 13273 | 2020-02-05 15:01:22 |
| powlexhibit312q12020.htm | 13446 | 2020-02-05 15:01:22 |
| powlexhibit321q12020.htm | 5884 | 2020-02-05 15:01:22 |
| powlexhibit322q12020.htm | 5945 | 2020-02-05 15:01:22 |
| R1.htm | 29431 | 2020-02-05 15:01:22 |
| R10.htm | 36573 | 2020-02-05 15:01:22 |
| R11.htm | 57267 | 2020-02-05 15:01:22 |
| R12.htm | 19782 | 2020-02-05 15:01:22 |
| R13.htm | 9001 | 2020-02-05 15:01:22 |
| R14.htm | 20941 | 2020-02-05 15:01:22 |
| R15.htm | 51435 | 2020-02-05 15:01:22 |
| R16.htm | 39153 | 2020-02-05 15:01:22 |
| R17.htm | 20617 | 2020-02-05 15:01:22 |
| R18.htm | 5172 | 2020-02-05 15:01:22 |
| R19.htm | 32980 | 2020-02-05 15:01:22 |
| R2.htm | 97465 | 2020-02-05 15:01:22 |
| R20.htm | 21665 | 2020-02-05 15:01:22 |
| R21.htm | 41427 | 2020-02-05 15:01:22 |
| R22.htm | 39591 | 2020-02-05 15:01:22 |
| R23.htm | 15009 | 2020-02-05 15:01:22 |
| R24.htm | 14890 | 2020-02-05 15:01:22 |
| R25.htm | 45063 | 2020-02-05 15:01:22 |
| R26.htm | 40348 | 2020-02-05 15:01:22 |
| R27.htm | 18290 | 2020-02-05 15:01:22 |
| R28.htm | 9250 | 2020-02-05 15:01:22 |
| R29.htm | 24947 | 2020-02-05 15:01:22 |
| R3.htm | 19605 | 2020-02-05 15:01:22 |
| R30.htm | 11326 | 2020-02-05 15:01:22 |
| R31.htm | 9790 | 2020-02-05 15:01:22 |
| R32.htm | 12023 | 2020-02-05 15:01:22 |
| R33.htm | 14061 | 2020-02-05 15:01:22 |
| R34.htm | 10514 | 2020-02-05 15:01:22 |
| R35.htm | 18774 | 2020-02-05 15:01:22 |
| R36.htm | 25066 | 2020-02-05 15:01:22 |
| R37.htm | 9233 | 2020-02-05 15:01:22 |
| R38.htm | 47778 | 2020-02-05 15:01:22 |
| R39.htm | 14720 | 2020-02-05 15:01:22 |
| R4.htm | 52195 | 2020-02-05 15:01:22 |
| R40.htm | 30559 | 2020-02-05 15:01:22 |
| R41.htm | 24888 | 2020-02-05 15:01:22 |
| R42.htm | 21136 | 2020-02-05 15:01:22 |
| R43.htm | 12991 | 2020-02-05 15:01:22 |
| R44.htm | 8374 | 2020-02-05 15:01:22 |
| R45.htm | 11538 | 2020-02-05 15:01:22 |
| R46.htm | 19761 | 2020-02-05 15:01:22 |
| R47.htm | 14645 | 2020-02-05 15:01:22 |
| R48.htm | 7095 | 2020-02-05 15:01:22 |
| R49.htm | 7096 | 2020-02-05 15:01:22 |
| R5.htm | 11517 | 2020-02-05 15:01:22 |
| R6.htm | 32869 | 2020-02-05 15:01:22 |
| R7.htm | 66457 | 2020-02-05 15:01:22 |
| R8.htm | 14211 | 2020-02-05 15:01:22 |
| R9.htm | 22660 | 2020-02-05 15:01:22 |
| report.css | 2767 | 2020-02-05 15:01:22 |
| Show.js | 1085 | 2020-02-05 15:01:22 |