Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000009346-21-000002-index-headers.html | 2021-01-04 06:31:48 | |
| 0000009346-21-000002-index.html | 2021-01-04 06:31:48 | |
| 0000009346-21-000002.txt | 2021-01-04 06:31:48 | |
 0000009346-21-000002-xbrl.zip | 13324 | 2021-01-04 06:31:48 |
| exhibit3-2.htm | 125608 | 2021-01-04 06:31:48 |
| exhibit3-21.htm | 125868 | 2021-01-04 06:31:48 |
| FilingSummary.xml | 1767 | 2021-01-04 06:31:48 |
| Financial_Report.xlsx | 5586 | 2021-01-04 06:31:48 |
| form8k.htm | 39254 | 2021-01-04 06:31:48 |
| form8k_htm.xml | 6097 | 2021-01-04 06:31:48 |
| MetaLinks.json | 22392 | 2021-01-04 06:31:48 |
| ptvc-20210103.xsd | 4440 | 2021-01-04 06:31:48 |
| ptvc-20210103_def.xml | 16315 | 2021-01-04 06:31:48 |
| ptvc-20210103_lab.xml | 24933 | 2021-01-04 06:31:48 |
| ptvc-20210103_pre.xml | 18330 | 2021-01-04 06:31:48 |
| R1.htm | 44340 | 2021-01-04 06:31:48 |
| report.css | 2767 | 2021-01-04 06:31:48 |
| Show.js | 1085 | 2021-01-04 06:31:48 |