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|---|---|---|
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| 0000868278-23-000014-index.html | 2023-08-11 16:10:43 | |
| 0000868278-23-000014.txt | 2023-08-11 16:10:43 | |
 0000868278-23-000014-xbrl.zip | 211573 | 2023-08-11 16:10:43 |
| FilingSummary.xml | 27740 | 2023-08-11 16:10:43 |
| Financial_Report.xlsx | 90391 | 2023-08-11 16:10:43 |
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| prph-20230630.htm | 1028135 | 2023-08-11 16:10:43 |
| prph-20230630.xsd | 46884 | 2023-08-11 16:10:43 |
| prph-20230630xexx3111.htm | 10907 | 2023-08-11 16:10:43 |
| prph-20230630xexx3121.htm | 10757 | 2023-08-11 16:10:43 |
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| report.css | 2767 | 2023-08-11 16:10:43 |
| Show.js | 1085 | 2023-08-11 16:10:43 |