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| 0001354488-16-006641-index.html | 2016-03-22 15:10:41 | |
| 0001354488-16-006641.txt | 2016-03-22 15:10:41 | |
 0001354488-16-006641-xbrl.zip | 53536 | 2016-03-22 15:10:41 |
| FilingSummary.xml | 28639 | 2016-03-22 15:10:41 |
| Financial_Report.xlsx | 45249 | 2016-03-22 15:10:41 |
| pgai-20151231.xml | 336093 | 2016-03-22 15:10:41 |
| pgai-20151231.xsd | 37133 | 2016-03-22 15:10:41 |
| pgai-20151231_cal.xml | 37770 | 2016-03-22 15:10:41 |
| pgai-20151231_def.xml | 36048 | 2016-03-22 15:10:41 |
| pgai-20151231_lab.xml | 193141 | 2016-03-22 15:10:41 |
| pgai-20151231_pre.xml | 140956 | 2016-03-22 15:10:41 |
| pgai_10k.htm | 858939 | 2016-03-22 15:10:41 |
| pgai_ex21.htm | 8827 | 2016-03-22 15:10:41 |
| pgai_ex311.htm | 11910 | 2016-03-22 15:10:41 |
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| report.css | 2767 | 2016-03-22 15:10:41 |
| Show.js | 1410 | 2016-03-22 15:10:41 |