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| 0001683168-19-002042-index.html | 2019-06-27 19:05:50 | |
| 0001683168-19-002042.txt | 2019-06-27 19:05:50 | |
 0001683168-19-002042-xbrl.zip | 63076 | 2019-06-27 19:05:50 |
| FilingSummary.xml | 21157 | 2019-06-27 19:05:50 |
| Financial_Report.xlsx | 47652 | 2019-06-27 19:05:50 |
| premier_10q-063018.htm | 327090 | 2019-06-27 19:05:50 |
| premier_10q-ex3101.htm | 8344 | 2019-06-27 19:05:50 |
| premier_10q-ex3102.htm | 8273 | 2019-06-27 19:05:50 |
| premier_10q-ex3201.htm | 2865 | 2019-06-27 19:05:50 |
| premier_10q-ex3202.htm | 2857 | 2019-06-27 19:05:50 |
| prhl-20180630.xml | 273712 | 2019-06-27 19:05:50 |
| prhl-20180630.xsd | 23886 | 2019-06-27 19:05:50 |
| prhl-20180630_cal.xml | 40066 | 2019-06-27 19:05:50 |
| prhl-20180630_def.xml | 121629 | 2019-06-27 19:05:50 |
| prhl-20180630_lab.xml | 208348 | 2019-06-27 19:05:50 |
| prhl-20180630_pre.xml | 169819 | 2019-06-27 19:05:50 |
| R1.htm | 29605 | 2019-06-27 19:05:50 |
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| R11.htm | 40632 | 2019-06-27 19:05:50 |
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| R8.htm | 13768 | 2019-06-27 19:05:50 |
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