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 0001085869-20-000105-index-headers.html | 2020-08-18 09:51:34 | |
| 0001085869-20-000105-index.html | 2020-08-18 09:51:34 | |
| 0001085869-20-000105.txt | 2020-08-18 09:51:34 | |
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| prft-20200814.htm | 58699 | 2020-08-18 09:51:34 |
| prft-20200814.xsd | 2417 | 2020-08-18 09:51:34 |
| prft-20200814_cal.xml | 706 | 2020-08-18 09:51:34 |
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| prftdebtofferingxwarra.htm | 270273 | 2020-08-18 09:51:34 |
| R1.htm | 40151 | 2020-08-18 09:51:34 |
| report.css | 2767 | 2020-08-18 09:51:34 |
| Show.js | 1085 | 2020-08-18 09:51:34 |