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|---|---|---|
 0001085869-23-000060-index-headers.html | 2023-04-07 11:16:13 | |
| 0001085869-23-000060-index.html | 2023-04-07 11:16:13 | |
| 0001085869-23-000060.txt | 2023-04-07 11:16:13 | |
 0001085869-23-000060-xbrl.zip | 940010 | 2023-04-07 11:16:13 |
| FilingSummary.xml | 2740 | 2023-04-07 11:16:13 |
| Financial_Report.xlsx | 8901 | 2023-04-07 11:16:13 |
| MetaLinks.json | 146762 | 2023-04-07 11:16:13 |
| prft-20230407.htm | 785495 | 2023-04-07 11:16:13 |
| prft-20230407.xsd | 3181 | 2023-04-07 11:16:13 |
| prft-20230407_def.xml | 3948 | 2023-04-07 11:16:13 |
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| prft-20230407_htm.xml | 84231 | 2023-04-07 11:16:13 |
| prft-20230407_lab.xml | 5418 | 2023-04-07 11:16:13 |
| prft-20230407_pre.xml | 2972 | 2023-04-07 11:16:13 |
| R1.htm | 10839 | 2023-04-07 11:16:13 |
| R2.htm | 116950 | 2023-04-07 11:16:13 |
| report.css | 2767 | 2023-04-07 11:16:13 |
| Show.js | 1085 | 2023-04-07 11:16:13 |