Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-19-019180-index-headers.html | 2019-12-13 16:16:22 | |
| 0001493152-19-019180-index.html | 2019-12-13 16:16:22 | |
| 0001493152-19-019180.txt | 2019-12-13 16:16:22 | |
 0001493152-19-019180-xbrl.zip | 56467 | 2019-12-13 16:16:22 |
| ex31-1.htm | 20287 | 2019-12-13 16:16:22 |
| ex31-2.htm | 20156 | 2019-12-13 16:16:22 |
| ex32-1.htm | 8765 | 2019-12-13 16:16:22 |
| ex32-2.htm | 8791 | 2019-12-13 16:16:22 |
| FilingSummary.xml | 14567 | 2019-12-13 16:16:22 |
| Financial_Report.xlsx | 33266 | 2019-12-13 16:16:22 |
| form10-q.htm | 334601 | 2019-12-13 16:16:22 |
| pure-20191031.xml | 198132 | 2019-12-13 16:16:22 |
| pure-20191031.xsd | 26519 | 2019-12-13 16:16:22 |
| pure-20191031_cal.xml | 30638 | 2019-12-13 16:16:22 |
| pure-20191031_def.xml | 67482 | 2019-12-13 16:16:22 |
| pure-20191031_lab.xml | 210306 | 2019-12-13 16:16:22 |
| pure-20191031_pre.xml | 139003 | 2019-12-13 16:16:22 |
| R1.htm | 31083 | 2019-12-13 16:16:22 |
| R10.htm | 5138 | 2019-12-13 16:16:22 |
| R11.htm | 10544 | 2019-12-13 16:16:22 |
| R12.htm | 26176 | 2019-12-13 16:16:22 |
| R13.htm | 40322 | 2019-12-13 16:16:22 |
| R14.htm | 8364 | 2019-12-13 16:16:22 |
| R15.htm | 20849 | 2019-12-13 16:16:22 |
| R16.htm | 13571 | 2019-12-13 16:16:22 |
| R17.htm | 19478 | 2019-12-13 16:16:22 |
| R18.htm | 8796 | 2019-12-13 16:16:22 |
| R19.htm | 32904 | 2019-12-13 16:16:22 |
| R2.htm | 58888 | 2019-12-13 16:16:22 |
| R20.htm | 80648 | 2019-12-13 16:16:22 |
| R21.htm | 9326 | 2019-12-13 16:16:22 |
| R22.htm | 25304 | 2019-12-13 16:16:22 |
| R23.htm | 11915 | 2019-12-13 16:16:22 |
| R3.htm | 18936 | 2019-12-13 16:16:22 |
| R4.htm | 33983 | 2019-12-13 16:16:22 |
| R5.htm | 26172 | 2019-12-13 16:16:22 |
| R6.htm | 63314 | 2019-12-13 16:16:22 |
| R7.htm | 8025 | 2019-12-13 16:16:22 |
| R8.htm | 9886 | 2019-12-13 16:16:22 |
| R9.htm | 22385 | 2019-12-13 16:16:22 |
| report.css | 2767 | 2019-12-13 16:16:22 |
| Show.js | 1085 | 2019-12-13 16:16:22 |