Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-160727-index-headers.html | 2020-06-04 16:21:03 | |
| 0001193125-20-160727-index.html | 2020-06-04 16:21:03 | |
| 0001193125-20-160727.txt | 2020-06-04 16:21:03 | |
 0001193125-20-160727-xbrl.zip | 30469 | 2020-06-04 16:21:03 |
| d932829d8k.htm | 27073 | 2020-06-04 16:21:03 |
| d932829d8k_htm.xml | 3429 | 2020-06-04 16:21:03 |
| d932829dex31.htm | 125509 | 2020-06-04 16:21:03 |
| FilingSummary.xml | 1734 | 2020-06-04 16:21:03 |
| Financial_Report.xlsx | 5818 | 2020-06-04 16:21:03 |
| MetaLinks.json | 19028 | 2020-06-04 16:21:03 |
| pgen-20200603.xsd | 3093 | 2020-06-04 16:21:03 |
| pgen-20200603_lab.xml | 18124 | 2020-06-04 16:21:03 |
| pgen-20200603_pre.xml | 11420 | 2020-06-04 16:21:03 |
| R1.htm | 40149 | 2020-06-04 16:21:03 |
| report.css | 2766 | 2020-06-04 16:21:03 |
| Show.js | 1085 | 2020-06-04 16:21:03 |