Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000051434-21-000005-index-headers.html | 2021-02-04 07:15:16 | |
| 0000051434-21-000005-index.html | 2021-02-04 07:15:16 | |
| 0000051434-21-000005.txt | 2021-02-04 07:15:16 | |
 0000051434-21-000005-xbrl.zip | 43401 | 2021-02-04 07:15:16 |
| FilingSummary.xml | 1886 | 2021-02-04 07:15:16 |
| Financial_Report.xlsx | 5503 | 2021-02-04 07:15:16 |
 image11.jpg | 15867 | 2021-02-04 07:15:16 |
| ip-20210204.htm | 38595 | 2021-02-04 07:15:16 |
| ip-20210204.xsd | 2671 | 2021-02-04 07:15:16 |
| ip-20210204_cal.xml | 821 | 2021-02-04 07:15:16 |
| ip-20210204_def.xml | 15079 | 2021-02-04 07:15:16 |
| ip-20210204_htm.xml | 11456 | 2021-02-04 07:15:16 |
| ip-20210204_lab.xml | 29007 | 2021-02-04 07:15:16 |
| ip-20210204_pre.xml | 15651 | 2021-02-04 07:15:16 |
| MetaLinks.json | 21308 | 2021-02-04 07:15:16 |
| nextgenip-20201231ex991.htm | 561472 | 2021-02-04 07:15:16 |
| R1.htm | 40390 | 2021-02-04 07:15:16 |
| report.css | 2767 | 2021-02-04 07:15:16 |
| Show.js | 1085 | 2021-02-04 07:15:16 |