Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-24-131525-index-headers.html | 2024-05-06 08:57:02 | |
| 0001193125-24-131525-index.html | 2024-05-06 08:57:02 | |
| 0001193125-24-131525.txt | 2024-05-06 08:57:02 | |
 0001193125-24-131525-xbrl.zip | 125781 | 2024-05-06 08:57:02 |
| d801285d8k.htm | 64511 | 2024-05-06 08:57:02 |
| d801285d8k_htm.xml | 3668 | 2024-05-06 08:57:02 |
| d801285dex21.htm | 590972 | 2024-05-06 08:57:02 |
| d801285dex991.htm | 17524 | 2024-05-06 08:57:02 |
| FilingSummary.xml | 1927 | 2024-05-06 08:57:02 |
| Financial_Report.xlsx | 5723 | 2024-05-06 08:57:02 |
| MetaLinks.json | 18828 | 2024-05-06 08:57:02 |
| prft-20240505.xsd | 2846 | 2024-05-06 08:57:02 |
| prft-20240505_lab.xml | 17993 | 2024-05-06 08:57:02 |
| prft-20240505_pre.xml | 11258 | 2024-05-06 08:57:02 |
| R1.htm | 39624 | 2024-05-06 08:57:02 |
| report.css | 2767 | 2024-05-06 08:57:02 |
| Show.js | 1085 | 2024-05-06 08:57:02 |