Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001085869-23-000147-index-headers.html | 2023-10-03 16:03:55 | |
| 0001085869-23-000147-index.html | 2023-10-03 16:03:55 | |
| 0001085869-23-000147.txt | 2023-10-03 16:03:55 | |
 0001085869-23-000147-xbrl.zip | 9837 | 2023-10-03 16:03:55 |
| FilingSummary.xml | 1695 | 2023-10-03 16:03:55 |
| Financial_Report.xlsx | 5727 | 2023-10-03 16:03:55 |
| MetaLinks.json | 18585 | 2023-10-03 16:03:55 |
| prft-20231001.htm | 24130 | 2023-10-03 16:03:55 |
| prft-20231001.xsd | 1970 | 2023-10-03 16:03:55 |
| prft-20231001_htm.xml | 2817 | 2023-10-03 16:03:55 |
| prft-20231001_lab.xml | 26157 | 2023-10-03 16:03:55 |
| prft-20231001_pre.xml | 13848 | 2023-10-03 16:03:55 |
| R1.htm | 39633 | 2023-10-03 16:03:55 |
| report.css | 2766 | 2023-10-03 16:03:55 |
| Show.js | 1084 | 2023-10-03 16:03:55 |