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| 0001354488-13-001603-index.html | 2013-03-29 16:52:51 | |
| 0001354488-13-001603.txt | 2013-03-29 16:52:51 | |
 0001354488-13-001603-xbrl.zip | 48749 | 2013-03-29 16:52:51 |
| FilingSummary.xml | 20956 | 2013-03-29 16:52:51 |
| Financial_Report.xls | 318349 | 2013-03-29 16:52:51 |
| pgai-20121231.xml | 327234 | 2013-03-29 16:52:51 |
| pgai-20121231.xsd | 28893 | 2013-03-29 16:52:51 |
| pgai-20121231_cal.xml | 35208 | 2013-03-29 16:52:51 |
| pgai-20121231_def.xml | 34524 | 2013-03-29 16:52:51 |
| pgai-20121231_lab.xml | 161233 | 2013-03-29 16:52:51 |
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| pgai_10k.htm | 934825 | 2013-03-29 16:52:51 |
| pgai_ex21.htm | 9694 | 2013-03-29 16:52:51 |
| pgai_ex311.htm | 13808 | 2013-03-29 16:52:51 |
| pgai_ex312.htm | 13934 | 2013-03-29 16:52:51 |
| pgai_ex321.htm | 5933 | 2013-03-29 16:52:51 |
| pgai_ex322.htm | 5956 | 2013-03-29 16:52:51 |
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| report.css | 2721 | 2013-03-29 16:52:51 |
| Show.js | 6423 | 2013-03-29 16:52:51 |