Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000009346-21-000046-index-headers.html | 2021-06-01 13:00:46 | |
| 0000009346-21-000046-index.html | 2021-06-01 13:00:46 | |
| 0000009346-21-000046.txt | 2021-06-01 13:00:46 | |
 0000009346-21-000046-xbrl.zip | 26701 | 2021-06-01 13:00:46 |
| exhibit3_1.htm | 5746 | 2021-06-01 13:00:46 |
| exhibit3_2.htm | 52699 | 2021-06-01 13:00:46 |
| FilingSummary.xml | 1831 | 2021-06-01 13:00:46 |
| Financial_Report.xlsx | 5825 | 2021-06-01 13:00:46 |
| form8k.htm | 43878 | 2021-06-01 13:00:46 |
| form8k_htm.xml | 6267 | 2021-06-01 13:00:46 |
| MetaLinks.json | 24454 | 2021-06-01 13:00:46 |
| ptvc-20210601.xsd | 4440 | 2021-06-01 13:00:46 |
| ptvc-20210601_def.xml | 18188 | 2021-06-01 13:00:46 |
| ptvc-20210601_lab.xml | 27866 | 2021-06-01 13:00:46 |
| ptvc-20210601_pre.xml | 20431 | 2021-06-01 13:00:46 |
| R1.htm | 45890 | 2021-06-01 13:00:46 |
| report.css | 2767 | 2021-06-01 13:00:46 |
| Show.js | 1085 | 2021-06-01 13:00:46 |