Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-220503-index-headers.html | 2020-08-14 16:47:13 | |
| 0001193125-20-220503-index.html | 2020-08-14 16:47:13 | |
| 0001193125-20-220503.txt | 2020-08-14 16:47:13 | |
 0001193125-20-220503-xbrl.zip | 16942 | 2020-08-14 16:47:13 |
| d948669d8k.htm | 23983 | 2020-08-14 16:47:13 |
| d948669d8k_htm.xml | 3222 | 2020-08-14 16:47:13 |
| d948669dex991.htm | 30330 | 2020-08-14 16:47:13 |
| FilingSummary.xml | 1735 | 2020-08-14 16:47:13 |
| Financial_Report.xlsx | 5455 | 2020-08-14 16:47:13 |
| MetaLinks.json | 18434 | 2020-08-14 16:47:13 |
| pgen-20200810.xsd | 3094 | 2020-08-14 16:47:13 |
| pgen-20200810_lab.xml | 17374 | 2020-08-14 16:47:13 |
| pgen-20200810_pre.xml | 10969 | 2020-08-14 16:47:13 |
| R1.htm | 38614 | 2020-08-14 16:47:13 |
| report.css | 2767 | 2020-08-14 16:47:13 |
| Show.js | 1084 | 2020-08-14 16:47:13 |