Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001085869-23-000201-index-headers.html | 2023-12-15 16:12:57 | |
| 0001085869-23-000201-index.html | 2023-12-15 16:12:57 | |
| 0001085869-23-000201.txt | 2023-12-15 16:12:57 | |
 0001085869-23-000201-xbrl.zip | 9347 | 2023-12-15 16:12:57 |
| FilingSummary.xml | 1695 | 2023-12-15 16:12:57 |
| Financial_Report.xlsx | 5725 | 2023-12-15 16:12:57 |
| MetaLinks.json | 18585 | 2023-12-15 16:12:57 |
| prft-20231215.htm | 22429 | 2023-12-15 16:12:57 |
| prft-20231215.xsd | 1970 | 2023-12-15 16:12:57 |
| prft-20231215_htm.xml | 2817 | 2023-12-15 16:12:57 |
| prft-20231215_lab.xml | 26157 | 2023-12-15 16:12:57 |
| prft-20231215_pre.xml | 13848 | 2023-12-15 16:12:57 |
| R1.htm | 39632 | 2023-12-15 16:12:57 |
| report.css | 2766 | 2023-12-15 16:12:57 |
| Show.js | 1084 | 2023-12-15 16:12:57 |