Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-21-020227-index-headers.html | 2021-08-16 16:49:17 | |
| 0001493152-21-020227-index.html | 2021-08-16 16:49:17 | |
| 0001493152-21-020227.txt | 2021-08-16 16:49:17 | |
 0001493152-21-020227-xbrl.zip | 74775 | 2021-08-16 16:49:17 |
| ex10-1.htm | 458257 | 2021-08-16 16:49:17 |
| ex99-1.htm | 23814 | 2021-08-16 16:49:17 |
 ex99-1_001.jpg | 23791 | 2021-08-16 16:49:17 |
| FilingSummary.xml | 1633 | 2021-08-16 16:49:17 |
| Financial_Report.xlsx | 5659 | 2021-08-16 16:49:17 |
| form8-k.htm | 50201 | 2021-08-16 16:49:17 |
| form8-k_htm.xml | 3484 | 2021-08-16 16:49:17 |
| MetaLinks.json | 38121 | 2021-08-16 16:49:17 |
| prph-20210810.xsd | 3036 | 2021-08-16 16:49:17 |
| prph-20210810_lab.xml | 34239 | 2021-08-16 16:49:17 |
| prph-20210810_pre.xml | 22366 | 2021-08-16 16:49:17 |
| R1.htm | 38565 | 2021-08-16 16:49:17 |
| report.css | 2767 | 2021-08-16 16:49:17 |
| Show.js | 1085 | 2021-08-16 16:49:17 |