Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001483798-19-000101-index-headers.html | 2019-08-20 13:29:30 | |
| 0001483798-19-000101-index.html | 2019-08-20 13:29:30 | |
| 0001483798-19-000101.txt | 2019-08-20 13:29:30 | |
 0001483798-19-000101-xbrl.zip | 25676 | 2019-08-20 13:29:30 |
| FilingSummary.xml | 6105 | 2019-08-20 13:29:30 |
| Financial_Report.xlsx | 15056 | 2019-08-20 13:29:30 |
| pbec-20190630.xml | 68617 | 2019-08-20 13:29:30 |
| pbec-20190630.xsd | 10629 | 2019-08-20 13:29:30 |
| pbec-20190630_cal.xml | 34512 | 2019-08-20 13:29:30 |
| pbec-20190630_def.xml | 7580 | 2019-08-20 13:29:30 |
| pbec-20190630_lab.xml | 99786 | 2019-08-20 13:29:30 |
| pbec-20190630_pre.xml | 71114 | 2019-08-20 13:29:30 |
| pbec10q-20190630.htm | 313393 | 2019-08-20 13:29:30 |
| pbec10q-20190630_311.htm | 14960 | 2019-08-20 13:29:30 |
| pbec10q-20190630_312.htm | 14216 | 2019-08-20 13:29:30 |
| pbec10q-20190630_321.htm | 6129 | 2019-08-20 13:29:30 |
| pbec10q-20190630_322.htm | 6053 | 2019-08-20 13:29:30 |
| R1.htm | 25915 | 2019-08-20 13:29:30 |
| R2.htm | 45119 | 2019-08-20 13:29:30 |
| R3.htm | 16889 | 2019-08-20 13:29:30 |
| R4.htm | 35215 | 2019-08-20 13:29:30 |
| R5.htm | 47610 | 2019-08-20 13:29:30 |
| R6.htm | 7403 | 2019-08-20 13:29:30 |
| R7.htm | 16710 | 2019-08-20 13:29:30 |
| R8.htm | 36691 | 2019-08-20 13:29:30 |
| R9.htm | 5158 | 2019-08-20 13:29:30 |
| report.css | 2767 | 2019-08-20 13:29:30 |
| Show.js | 1085 | 2019-08-20 13:29:30 |