Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001483798-19-000069-index-headers.html | 2019-05-01 15:02:56 | |
| 0001483798-19-000069-index.html | 2019-05-01 15:02:56 | |
| 0001483798-19-000069.txt | 2019-05-01 15:02:56 | |
 0001483798-19-000069-xbrl.zip | 36880 | 2019-05-01 15:02:56 |
| FilingSummary.xml | 13464 | 2019-05-01 15:02:56 |
| Financial_Report.xlsx | 24858 | 2019-05-01 15:02:56 |
 image2.jpg | 36627 | 2019-05-01 15:02:56 |
| pbec-20171231.xml | 178120 | 2019-05-01 15:02:56 |
| pbec-20171231.xsd | 13315 | 2019-05-01 15:02:56 |
| pbec-20171231_cal.xml | 39513 | 2019-05-01 15:02:56 |
| pbec-20171231_def.xml | 27434 | 2019-05-01 15:02:56 |
| pbec-20171231_lab.xml | 119373 | 2019-05-01 15:02:56 |
| pbec-20171231_pre.xml | 91832 | 2019-05-01 15:02:56 |
| pbec10k-20171231.htm | 548913 | 2019-05-01 15:02:56 |
| pbec10k-20171231_311.htm | 14666 | 2019-05-01 15:02:56 |
| pbec10k-20171231_312.htm | 13894 | 2019-05-01 15:02:56 |
| pbec10k-20171231_321.htm | 5961 | 2019-05-01 15:02:56 |
| pbec10k-20171231_322.htm | 5896 | 2019-05-01 15:02:56 |
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| R9.htm | 17393 | 2019-05-01 15:02:56 |
| report.css | 2767 | 2019-05-01 15:02:56 |
| Show.js | 1085 | 2019-05-01 15:02:56 |