Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000894189-24-001378-index-headers.html | 2024-02-28 11:02:20 | |
| 0000894189-24-001378-index.html | 2024-02-28 11:02:20 | |
| 0000894189-24-001378.txt | 2024-02-28 11:02:20 | |
 0000894189-24-001378-xbrl.zip | 218111 | 2024-02-28 11:02:20 |
| beckerauditorconsent10-31x.htm | 3049 | 2024-02-28 11:02:20 |
| ck0000811030-20231031.htm | 1302044 | 2024-02-28 11:02:20 |
| ck0000811030-20231031.xsd | 6526 | 2024-02-28 11:02:20 |
| ck0000811030-20231031_cal.xml | 3696 | 2024-02-28 11:02:20 |
| ck0000811030-20231031_def.xml | 110695 | 2024-02-28 11:02:20 |
 ck0000811030-20231031_g1.jpg | 18818 | 2024-02-28 11:02:20 |
 ck0000811030-20231031_g2.jpg | 57296 | 2024-02-28 11:02:20 |
| ck0000811030-20231031_htm.xml | 54334 | 2024-02-28 11:02:20 |
| ck0000811030-20231031_lab.xml | 230394 | 2024-02-28 11:02:20 |
| ck0000811030-20231031_pre.xml | 120421 | 2024-02-28 11:02:20 |
| FilingSummary.xml | 2592 | 2024-02-28 11:02:20 |
 image_0a.jpg | 11318 | 2024-02-28 11:02:20 |
| MetaLinks.json | 239219 | 2024-02-28 11:02:20 |
| R1.htm | 18010 | 2024-02-28 11:02:20 |
| R2.htm | 229123 | 2024-02-28 11:02:20 |
| report.css | 2767 | 2024-02-28 11:02:20 |
| Show.js | 1085 | 2024-02-28 11:02:20 |