Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000868278-25-000007-index-headers.html | 2025-05-20 16:06:42 | |
| 0000868278-25-000007-index.html | 2025-05-20 16:06:42 | |
| 0000868278-25-000007.txt | 2025-05-20 16:06:42 | |
 0000868278-25-000007-xbrl.zip | 253211 | 2025-05-20 16:06:42 |
| FilingSummary.xml | 32798 | 2025-05-20 16:06:42 |
| MetaLinks.json | 973750 | 2025-05-20 16:06:42 |
| prph-20250331.htm | 973122 | 2025-05-20 16:06:42 |
| prph-20250331.xsd | 57611 | 2025-05-20 16:06:42 |
| prph-20250331xexx311.htm | 10968 | 2025-05-20 16:06:42 |
| prph-20250331xexx321.htm | 5291 | 2025-05-20 16:06:42 |
| prph-20250331_cal.xml | 123803 | 2025-05-20 16:06:42 |
| prph-20250331_def.xml | 299749 | 2025-05-20 16:06:42 |
| prph-20250331_htm.xml | 846955 | 2025-05-20 16:06:42 |
| prph-20250331_lab.xml | 805465 | 2025-05-20 16:06:42 |
| prph-20250331_pre.xml | 535182 | 2025-05-20 16:06:42 |
| R1.htm | 53072 | 2025-05-20 16:06:42 |
| R10.htm | 8376 | 2025-05-20 16:06:42 |
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| R2.htm | 156024 | 2025-05-20 16:06:42 |
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| R39.htm | 129496 | 2025-05-20 16:06:42 |
| R4.htm | 122995 | 2025-05-20 16:06:42 |
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| R47.htm | 5027 | 2025-05-20 16:06:42 |
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| R6.htm | 6493 | 2025-05-20 16:06:42 |
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| R8.htm | 15998 | 2025-05-20 16:06:42 |
| R9.htm | 41277 | 2025-05-20 16:06:42 |
| report.css | 2767 | 2025-05-20 16:06:42 |
| Show.js | 1085 | 2025-05-20 16:06:42 |