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| 0001085869-23-000124.txt | 2023-07-27 08:59:37 | |
 0001085869-23-000124-xbrl.zip | 62512 | 2023-07-27 08:59:37 |
| FilingSummary.xml | 1854 | 2023-07-27 08:59:37 |
| Financial_Report.xlsx | 5760 | 2023-07-27 08:59:37 |
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| prfpressrelease7272023.htm | 8357 | 2023-07-27 08:59:37 |
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| prft-20230725.htm | 51486 | 2023-07-27 08:59:37 |
| prft-20230725.xsd | 1970 | 2023-07-27 08:59:37 |
| prft-20230725_htm.xml | 2917 | 2023-07-27 08:59:37 |
| prft-20230725_lab.xml | 26157 | 2023-07-27 08:59:37 |
| prft-20230725_pre.xml | 13848 | 2023-07-27 08:59:37 |
| q22023earningsdeck.htm | 8851 | 2023-07-27 08:59:37 |
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 q22023earningsdeck004.jpg | 148405 | 2023-07-27 08:59:37 |
 q22023earningsdeck005.jpg | 111324 | 2023-07-27 08:59:37 |
 q22023earningsdeck006.jpg | 74245 | 2023-07-27 08:59:37 |
| R1.htm | 41150 | 2023-07-27 08:59:37 |
| report.css | 2767 | 2023-07-27 08:59:37 |
| secondamendedandrestatedby.htm | 234890 | 2023-07-27 08:59:37 |
| Show.js | 1085 | 2023-07-27 08:59:37 |