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|---|---|---|
 0001493152-19-002933-index-headers.html | 2019-03-06 16:11:31 | |
| 0001493152-19-002933-index.html | 2019-03-06 16:11:31 | |
| 0001493152-19-002933.txt | 2019-03-06 16:11:31 | |
 0001493152-19-002933-xbrl.zip | 68221 | 2019-03-06 16:11:31 |
| ex31-1.htm | 20075 | 2019-03-06 16:11:31 |
| ex31-2.htm | 19738 | 2019-03-06 16:11:31 |
| ex32-1.htm | 9524 | 2019-03-06 16:11:31 |
| ex32-2.htm | 9544 | 2019-03-06 16:11:31 |
| FilingSummary.xml | 17878 | 2019-03-06 16:11:31 |
| Financial_Report.xlsx | 46206 | 2019-03-06 16:11:31 |
| form10-q.htm | 535421 | 2019-03-06 16:11:31 |
| pure-20190131.xml | 260759 | 2019-03-06 16:11:31 |
| pure-20190131.xsd | 25525 | 2019-03-06 16:11:31 |
| pure-20190131_cal.xml | 36144 | 2019-03-06 16:11:31 |
| pure-20190131_def.xml | 92085 | 2019-03-06 16:11:31 |
| pure-20190131_lab.xml | 213595 | 2019-03-06 16:11:31 |
| pure-20190131_pre.xml | 164955 | 2019-03-06 16:11:31 |
| R1.htm | 27257 | 2019-03-06 16:11:31 |
| R10.htm | 8389 | 2019-03-06 16:11:31 |
| R11.htm | 5494 | 2019-03-06 16:11:31 |
| R12.htm | 16432 | 2019-03-06 16:11:31 |
| R13.htm | 27519 | 2019-03-06 16:11:31 |
| R14.htm | 13391 | 2019-03-06 16:11:31 |
| R15.htm | 6216 | 2019-03-06 16:11:31 |
| R16.htm | 40221 | 2019-03-06 16:11:31 |
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| R18.htm | 19058 | 2019-03-06 16:11:31 |
| R19.htm | 10315 | 2019-03-06 16:11:31 |
| R2.htm | 61118 | 2019-03-06 16:11:31 |
| R20.htm | 12685 | 2019-03-06 16:11:31 |
| R21.htm | 8792 | 2019-03-06 16:11:31 |
| R22.htm | 15084 | 2019-03-06 16:11:31 |
| R23.htm | 15155 | 2019-03-06 16:11:31 |
| R24.htm | 100788 | 2019-03-06 16:11:31 |
| R25.htm | 87200 | 2019-03-06 16:11:31 |
| R26.htm | 23420 | 2019-03-06 16:11:31 |
| R27.htm | 12516 | 2019-03-06 16:11:31 |
| R28.htm | 9611 | 2019-03-06 16:11:31 |
| R29.htm | 17497 | 2019-03-06 16:11:31 |
| R3.htm | 18933 | 2019-03-06 16:11:31 |
| R4.htm | 40219 | 2019-03-06 16:11:31 |
| R5.htm | 21968 | 2019-03-06 16:11:31 |
| R6.htm | 79240 | 2019-03-06 16:11:31 |
| R7.htm | 8034 | 2019-03-06 16:11:31 |
| R8.htm | 9021 | 2019-03-06 16:11:31 |
| R9.htm | 25028 | 2019-03-06 16:11:31 |
| report.css | 2767 | 2019-03-06 16:11:31 |
| Show.js | 1085 | 2019-03-06 16:11:31 |