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| Seq | Description | Type | Size | |
|---|---|---|---|---|
| 1 | DEF 14A | DEF 14A | 454.4 KB | Open in viewerDownload |
| 2 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | EX-101.SCH | 2.2 KB | Download |
| 3 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | EX-101.DEF | 2.2 KB | Download |
| 4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | EX-101.LAB | 2.3 KB | Download |
| 5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | EX-101.PRE | 1.3 KB | Download |
| 6 | GRAPHIC | GRAPHIC | 669.0 KB | Open in viewerDownload |
| 7 | GRAPHIC | GRAPHIC | 224.0 KB | Open in viewerDownload |
| 8 | GRAPHIC | GRAPHIC | 117.9 KB | Open in viewerDownload |
| 9 | GRAPHIC | GRAPHIC | 159.6 KB | Open in viewerDownload |
| 10 | GRAPHIC | GRAPHIC | 116.3 KB | Open in viewerDownload |
| 11 | GRAPHIC | GRAPHIC | 124.3 KB | Open in viewerDownload |
| 12 | GRAPHIC | GRAPHIC | 114.4 KB | Open in viewerDownload |
| 13 | GRAPHIC | GRAPHIC | 483.4 KB | Open in viewerDownload |
| 14 | GRAPHIC | GRAPHIC | 389.3 KB | Open in viewerDownload |
| 15 | vtvt-20260428_g9.jpg | GRAPHIC | 441.1 KB | Open in viewerDownload |
| 17 | IDEA: XBRL DOCUMENT | HTML | 10.5 KB | Open in viewerDownload |
| 18 | IDEA: XBRL DOCUMENT | HTML | 178.5 KB | Open in viewerDownload |
| 19 | IDEA: XBRL DOCUMENT | HTML | 4.2 KB | Open in viewerDownload |
| 20 | IDEA: XBRL DOCUMENT | CSS | 2.6 KB | Download |
| 21 | IDEA: XBRL DOCUMENT | JS | 0.9 KB | Download |
| 23 | IDEA: XBRL DOCUMENT | XML | 3.2 KB | Download |
| 25 | IDEA: XBRL DOCUMENT | JSON | 202.6 KB | Download |
| 26 | IDEA: XBRL DOCUMENT | ZIP | 1934.5 KB | Download |
| 27 | IDEA: XBRL DOCUMENT | XML | 166.0 KB | Download |
| 999 | Full raw SEC SGML submission | Full Submission Text | 7522.6 KB | Open in viewerDownload |
