Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001483798-19-000075-index-headers.html | 2019-05-01 16:09:54 | |
| 0001483798-19-000075-index.html | 2019-05-01 16:09:54 | |
| 0001483798-19-000075.txt | 2019-05-01 16:09:54 | |
 0001483798-19-000075-xbrl.zip | 29591 | 2019-05-01 16:09:54 |
| FilingSummary.xml | 9087 | 2019-05-01 16:09:54 |
| Financial_Report.xlsx | 18794 | 2019-05-01 16:09:54 |
| pbec-20180630.xml | 104580 | 2019-05-01 16:09:54 |
| pbec-20180630.xsd | 10391 | 2019-05-01 16:09:54 |
| pbec-20180630_cal.xml | 33644 | 2019-05-01 16:09:54 |
| pbec-20180630_def.xml | 7581 | 2019-05-01 16:09:54 |
| pbec-20180630_lab.xml | 97153 | 2019-05-01 16:09:54 |
| pbec-20180630_pre.xml | 69710 | 2019-05-01 16:09:54 |
| pbec10q-20180630.htm | 343115 | 2019-05-01 16:09:54 |
| pbec10q-20180630_311.htm | 15025 | 2019-05-01 16:09:54 |
| pbec10q-20180630_312.htm | 14238 | 2019-05-01 16:09:54 |
| pbec10q-20180630_321.htm | 6120 | 2019-05-01 16:09:54 |
| pbec10q-20180630_322.htm | 6080 | 2019-05-01 16:09:54 |
| R1.htm | 25914 | 2019-05-01 16:09:54 |
| R10.htm | 15757 | 2019-05-01 16:09:54 |
| R11.htm | 5159 | 2019-05-01 16:09:54 |
| R12.htm | 19955 | 2019-05-01 16:09:54 |
| R13.htm | 4930 | 2019-05-01 16:09:54 |
| R14.htm | 3922 | 2019-05-01 16:09:54 |
| R2.htm | 47574 | 2019-05-01 16:09:54 |
| R3.htm | 16889 | 2019-05-01 16:09:54 |
| R4.htm | 42268 | 2019-05-01 16:09:54 |
| R5.htm | 54325 | 2019-05-01 16:09:54 |
| R6.htm | 7681 | 2019-05-01 16:09:54 |
| R7.htm | 17812 | 2019-05-01 16:09:54 |
| R8.htm | 17392 | 2019-05-01 16:09:54 |
| R9.htm | 40898 | 2019-05-01 16:09:54 |
| report.css | 2767 | 2019-05-01 16:09:54 |
| Show.js | 1085 | 2019-05-01 16:09:54 |