Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000051434-20-000029-index-headers.html | 2020-07-30 07:43:41 | |
| 0000051434-20-000029-index.html | 2020-07-30 07:43:41 | |
| 0000051434-20-000029.txt | 2020-07-30 07:43:41 | |
 0000051434-20-000029-xbrl.zip | 45289 | 2020-07-30 07:43:41 |
| FilingSummary.xml | 1885 | 2020-07-30 07:43:41 |
| Financial_Report.xlsx | 5502 | 2020-07-30 07:43:41 |
 image11.jpg | 15867 | 2020-07-30 07:43:41 |
| ip-20200730.htm | 49364 | 2020-07-30 07:43:41 |
| ip-20200730.xsd | 2671 | 2020-07-30 07:43:41 |
| ip-20200730_cal.xml | 821 | 2020-07-30 07:43:41 |
| ip-20200730_def.xml | 15079 | 2020-07-30 07:43:41 |
| ip-20200730_htm.xml | 11437 | 2020-07-30 07:43:41 |
| ip-20200730_lab.xml | 29007 | 2020-07-30 07:43:41 |
| ip-20200730_pre.xml | 15651 | 2020-07-30 07:43:41 |
| MetaLinks.json | 21308 | 2020-07-30 07:43:41 |
| nextgenip-20200630exhi.htm | 781874 | 2020-07-30 07:43:41 |
| R1.htm | 40389 | 2020-07-30 07:43:41 |
| report.css | 2767 | 2020-07-30 07:43:41 |
| Show.js | 1085 | 2020-07-30 07:43:41 |