Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000009346-21-000029-index-headers.html | 2021-05-05 16:06:32 | |
| 0000009346-21-000029-index.html | 2021-05-05 16:06:32 | |
| 0000009346-21-000029.txt | 2021-05-05 16:06:32 | |
 0000009346-21-000029-xbrl.zip | 12894 | 2021-05-05 16:06:32 |
| FilingSummary.xml | 1767 | 2021-05-05 16:06:32 |
| Financial_Report.xlsx | 5773 | 2021-05-05 16:06:32 |
| form8k.htm | 43261 | 2021-05-05 16:06:32 |
| form8k_htm.xml | 5943 | 2021-05-05 16:06:32 |
| MetaLinks.json | 23888 | 2021-05-05 16:06:32 |
| ptvc-20210504.xsd | 4440 | 2021-05-05 16:06:32 |
| ptvc-20210504_def.xml | 17711 | 2021-05-05 16:06:32 |
| ptvc-20210504_lab.xml | 27115 | 2021-05-05 16:06:32 |
| ptvc-20210504_pre.xml | 19897 | 2021-05-05 16:06:32 |
| R1.htm | 42806 | 2021-05-05 16:06:32 |
| report.css | 2767 | 2021-05-05 16:06:32 |
| Show.js | 1085 | 2021-05-05 16:06:32 |