Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-19-007096-index-headers.html | 2019-05-14 16:31:29 | |
| 0001493152-19-007096-index.html | 2019-05-14 16:31:29 | |
| 0001493152-19-007096.txt | 2019-05-14 16:31:29 | |
 0001493152-19-007096-xbrl.zip | 95819 | 2019-05-14 16:31:29 |
| ex31-1.htm | 21158 | 2019-05-14 16:31:29 |
| ex31-2.htm | 21569 | 2019-05-14 16:31:29 |
| ex32-1.htm | 8604 | 2019-05-14 16:31:29 |
| ex32-2.htm | 8111 | 2019-05-14 16:31:29 |
| FilingSummary.xml | 24616 | 2019-05-14 16:31:29 |
| Financial_Report.xlsx | 59719 | 2019-05-14 16:31:29 |
| form10-q.htm | 554189 | 2019-05-14 16:31:29 |
| prph-20190331.xml | 470538 | 2019-05-14 16:31:29 |
| prph-20190331.xsd | 46912 | 2019-05-14 16:31:29 |
| prph-20190331_cal.xml | 49249 | 2019-05-14 16:31:29 |
| prph-20190331_def.xml | 120364 | 2019-05-14 16:31:29 |
| prph-20190331_lab.xml | 288862 | 2019-05-14 16:31:29 |
| prph-20190331_pre.xml | 197949 | 2019-05-14 16:31:29 |
| R1.htm | 27263 | 2019-05-14 16:31:29 |
| R10.htm | 11625 | 2019-05-14 16:31:29 |
| R11.htm | 20640 | 2019-05-14 16:31:29 |
| R12.htm | 4946 | 2019-05-14 16:31:29 |
| R13.htm | 10100 | 2019-05-14 16:31:29 |
| R14.htm | 15185 | 2019-05-14 16:31:29 |
| R15.htm | 6309 | 2019-05-14 16:31:29 |
| R16.htm | 6237 | 2019-05-14 16:31:29 |
| R17.htm | 116173 | 2019-05-14 16:31:29 |
| R18.htm | 44273 | 2019-05-14 16:31:29 |
| R19.htm | 11234 | 2019-05-14 16:31:29 |
| R2.htm | 64062 | 2019-05-14 16:31:29 |
| R20.htm | 11269 | 2019-05-14 16:31:29 |
| R21.htm | 9611 | 2019-05-14 16:31:29 |
| R22.htm | 7509 | 2019-05-14 16:31:29 |
| R23.htm | 75812 | 2019-05-14 16:31:29 |
| R24.htm | 12261 | 2019-05-14 16:31:29 |
| R25.htm | 10768 | 2019-05-14 16:31:29 |
| R26.htm | 16007 | 2019-05-14 16:31:29 |
| R27.htm | 6483 | 2019-05-14 16:31:29 |
| R28.htm | 6970 | 2019-05-14 16:31:29 |
| R29.htm | 4770 | 2019-05-14 16:31:29 |
| R3.htm | 19389 | 2019-05-14 16:31:29 |
| R30.htm | 25654 | 2019-05-14 16:31:29 |
| R31.htm | 70384 | 2019-05-14 16:31:29 |
| R32.htm | 27997 | 2019-05-14 16:31:29 |
| R33.htm | 5631 | 2019-05-14 16:31:29 |
| R34.htm | 22091 | 2019-05-14 16:31:29 |
| R35.htm | 14143 | 2019-05-14 16:31:29 |
| R36.htm | 12311 | 2019-05-14 16:31:29 |
| R37.htm | 10706 | 2019-05-14 16:31:29 |
| R38.htm | 17145 | 2019-05-14 16:31:29 |
| R4.htm | 47430 | 2019-05-14 16:31:29 |
| R5.htm | 22068 | 2019-05-14 16:31:29 |
| R6.htm | 4268 | 2019-05-14 16:31:29 |
| R7.htm | 66661 | 2019-05-14 16:31:29 |
| R8.htm | 7990 | 2019-05-14 16:31:29 |
| R9.htm | 78094 | 2019-05-14 16:31:29 |
| report.css | 2767 | 2019-05-14 16:31:29 |
| Show.js | 1085 | 2019-05-14 16:31:29 |