Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000009346-21-000040-index-headers.html | 2021-05-25 17:00:58 | |
| 0000009346-21-000040-index.html | 2021-05-25 17:00:58 | |
| 0000009346-21-000040.txt | 2021-05-25 17:00:58 | |
 0000009346-21-000040-xbrl.zip | 14100 | 2021-05-25 17:00:58 |
| FilingSummary.xml | 1767 | 2021-05-25 17:00:58 |
| Financial_Report.xlsx | 5794 | 2021-05-25 17:00:58 |
| form8k.htm | 30498 | 2021-05-25 17:00:58 |
| form8k_htm.xml | 6106 | 2021-05-25 17:00:58 |
| MetaLinks.json | 23944 | 2021-05-25 17:00:58 |
| ptvc-20210525.xsd | 4440 | 2021-05-25 17:00:58 |
| ptvc-20210525_def.xml | 17711 | 2021-05-25 17:00:58 |
| ptvc-20210525_lab.xml | 27115 | 2021-05-25 17:00:58 |
| ptvc-20210525_pre.xml | 19897 | 2021-05-25 17:00:58 |
| R1.htm | 44348 | 2021-05-25 17:00:58 |
| report.css | 2767 | 2021-05-25 17:00:58 |
| Show.js | 1085 | 2021-05-25 17:00:58 |