Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000868278-23-000017-index.html | 2023-11-13 16:04:06 | |
| 0000868278-23-000017.txt | 2023-11-13 16:04:06 | |
 0000868278-23-000017-xbrl.zip | 220273 | 2023-11-13 16:04:06 |
| FilingSummary.xml | 27571 | 2023-11-13 16:04:06 |
| Financial_Report.xlsx | 93850 | 2023-11-13 16:04:06 |
| MetaLinks.json | 761819 | 2023-11-13 16:04:06 |
| prph-20230930.htm | 1068552 | 2023-11-13 16:04:06 |
| prph-20230930.xsd | 48069 | 2023-11-13 16:04:06 |
| prph-20230930xexx311.htm | 10908 | 2023-11-13 16:04:06 |
| prph-20230930xexx312.htm | 10758 | 2023-11-13 16:04:06 |
| prph-20230930xexx321.htm | 5245 | 2023-11-13 16:04:06 |
| prph-20230930xexx322.htm | 5095 | 2023-11-13 16:04:06 |
| prph-20230930_cal.xml | 95456 | 2023-11-13 16:04:06 |
| prph-20230930_def.xml | 242984 | 2023-11-13 16:04:06 |
| prph-20230930_htm.xml | 842978 | 2023-11-13 16:04:06 |
| prph-20230930_lab.xml | 664474 | 2023-11-13 16:04:06 |
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| R1.htm | 53090 | 2023-11-13 16:04:06 |
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| R9.htm | 41129 | 2023-11-13 16:04:06 |
| report.css | 2767 | 2023-11-13 16:04:06 |
| Show.js | 1085 | 2023-11-13 16:04:06 |