Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000051434-21-000031-index-headers.html | 2021-07-29 07:16:22 | |
| 0000051434-21-000031-index.html | 2021-07-29 07:16:22 | |
| 0000051434-21-000031.txt | 2021-07-29 07:16:22 | |
 0000051434-21-000031-xbrl.zip | 40559 | 2021-07-29 07:16:22 |
| FilingSummary.xml | 1850 | 2021-07-29 07:16:22 |
| Financial_Report.xlsx | 5725 | 2021-07-29 07:16:22 |
 image1.jpg | 15867 | 2021-07-29 07:16:22 |
| ip-20210729.htm | 38480 | 2021-07-29 07:16:22 |
| ip-20210729.xsd | 2418 | 2021-07-29 07:16:22 |
| ip-20210729_def.xml | 15079 | 2021-07-29 07:16:22 |
| ip-20210729_htm.xml | 11456 | 2021-07-29 07:16:22 |
| ip-20210729_lab.xml | 29007 | 2021-07-29 07:16:22 |
| ip-20210729_pre.xml | 15651 | 2021-07-29 07:16:22 |
| MetaLinks.json | 21225 | 2021-07-29 07:16:22 |
| nextgenip-20210630ex991.htm | 512316 | 2021-07-29 07:16:22 |
| R1.htm | 40388 | 2021-07-29 07:16:22 |
| report.css | 2767 | 2021-07-29 07:16:22 |
| Show.js | 1085 | 2021-07-29 07:16:22 |