Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001085869-23-000098-index-headers.html | 2023-06-07 12:14:32 | |
| 0001085869-23-000098-index.html | 2023-06-07 12:14:32 | |
| 0001085869-23-000098.txt | 2023-06-07 12:14:32 | |
 0001085869-23-000098-xbrl.zip | 11668 | 2023-06-07 12:14:32 |
| FilingSummary.xml | 1678 | 2023-06-07 12:14:32 |
| Financial_Report.xlsx | 5729 | 2023-06-07 12:14:32 |
| MetaLinks.json | 18134 | 2023-06-07 12:14:32 |
| prft-20230607.htm | 60464 | 2023-06-07 12:14:32 |
| prft-20230607.xsd | 1970 | 2023-06-07 12:14:32 |
| prft-20230607_htm.xml | 11443 | 2023-06-07 12:14:32 |
| prft-20230607_lab.xml | 25156 | 2023-06-07 12:14:32 |
| prft-20230607_pre.xml | 13313 | 2023-06-07 12:14:32 |
| R1.htm | 39633 | 2023-06-07 12:14:32 |
| report.css | 2766 | 2023-06-07 12:14:32 |
| Show.js | 1084 | 2023-06-07 12:14:32 |