Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001483798-19-000034-index-headers.html | 2019-04-30 11:58:27 | |
| 0001483798-19-000034-index.html | 2019-04-30 11:58:27 | |
| 0001483798-19-000034.txt | 2019-04-30 11:58:27 | |
 0001483798-19-000034-xbrl.zip | 36875 | 2019-04-30 11:58:27 |
| FilingSummary.xml | 13464 | 2019-04-30 11:58:27 |
| Financial_Report.xlsx | 24859 | 2019-04-30 11:58:27 |
 image2.jpg | 36627 | 2019-04-30 11:58:27 |
| pbec-20131231.xml | 174126 | 2019-04-30 11:58:27 |
| pbec-20131231.xsd | 13315 | 2019-04-30 11:58:27 |
| pbec-20131231_cal.xml | 39513 | 2019-04-30 11:58:27 |
| pbec-20131231_def.xml | 27434 | 2019-04-30 11:58:27 |
| pbec-20131231_lab.xml | 119373 | 2019-04-30 11:58:27 |
| pbec-20131231_pre.xml | 91832 | 2019-04-30 11:58:27 |
| pbec10k-20131231.htm | 548665 | 2019-04-30 11:58:27 |
| pbec10k-20131231_311.htm | 14934 | 2019-04-30 11:58:27 |
| pbec10k-20131231_312.htm | 13885 | 2019-04-30 11:58:27 |
| pbec10k-20131231_321.htm | 5969 | 2019-04-30 11:58:27 |
| pbec10k-20131231_322.htm | 5923 | 2019-04-30 11:58:27 |
| R1.htm | 33018 | 2019-04-30 11:58:27 |
| R10.htm | 12102 | 2019-04-30 11:58:27 |
| R11.htm | 26691 | 2019-04-30 11:58:27 |
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| R19.htm | 13904 | 2019-04-30 11:58:27 |
| R2.htm | 47574 | 2019-04-30 11:58:27 |
| R20.htm | 12580 | 2019-04-30 11:58:27 |
| R21.htm | 8804 | 2019-04-30 11:58:27 |
| R22.htm | 6797 | 2019-04-30 11:58:27 |
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| R5.htm | 56646 | 2019-04-30 11:58:27 |
| R6.htm | 12329 | 2019-04-30 11:58:27 |
| R7.htm | 7685 | 2019-04-30 11:58:27 |
| R8.htm | 16461 | 2019-04-30 11:58:27 |
| R9.htm | 17393 | 2019-04-30 11:58:27 |
| report.css | 2767 | 2019-04-30 11:58:27 |
| Show.js | 1085 | 2019-04-30 11:58:27 |