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| 0001140361-19-010500-index.html | 2019-06-05 17:29:30 | |
| 0001140361-19-010500.txt | 2019-06-05 17:29:30 | |
 0001140361-19-010500-xbrl.zip | 179752 | 2019-06-05 17:29:30 |
| ex31_1.htm | 14733 | 2019-06-05 17:29:30 |
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| FilingSummary.xml | 33569 | 2019-06-05 17:29:30 |
| Financial_Report.xlsx | 74423 | 2019-06-05 17:29:30 |
| form10q.htm | 1760048 | 2019-06-05 17:29:30 |
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| plab-20190428_lab.xml | 692988 | 2019-06-05 17:29:30 |
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| report.css | 2767 | 2019-06-05 17:29:30 |
| Show.js | 1085 | 2019-06-05 17:29:30 |