Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-25-035122-index-headers.html | 2025-04-15 16:07:17 | |
| 0001104659-25-035122-index.html | 2025-04-15 16:07:17 | |
| 0001104659-25-035122.txt | 2025-04-15 16:07:17 | |
 0001104659-25-035122-xbrl.zip | 997586 | 2025-04-15 16:07:17 |
| FilingSummary.xml | 91699 | 2025-04-15 16:07:17 |
| Financial_Report.xlsx | 405354 | 2025-04-15 16:07:17 |
| iva-20241231.xsd | 221810 | 2025-04-15 16:07:17 |
| iva-20241231x20f.htm | 7003262 | 2025-04-15 16:07:17 |
 iva-20241231x20f005.jpg | 40329 | 2025-04-15 16:07:17 |
 iva-20241231x20f006.jpg | 8921 | 2025-04-15 16:07:17 |
 iva-20241231x20f017.jpg | 5680 | 2025-04-15 16:07:17 |
| iva-20241231x20f_htm.xml | 7831467 | 2025-04-15 16:07:17 |
| iva-20241231xex11d1.htm | 125671 | 2025-04-15 16:07:17 |
 iva-20241231xex11d1001.jpg | 5181 | 2025-04-15 16:07:17 |
| iva-20241231xex12d1.htm | 9687 | 2025-04-15 16:07:17 |
| iva-20241231xex12d2.htm | 9656 | 2025-04-15 16:07:17 |
| iva-20241231xex13d1.htm | 5952 | 2025-04-15 16:07:17 |
| iva-20241231xex1d1.htm | 95432 | 2025-04-15 16:07:17 |
| iva-20241231xex2d4.htm | 233627 | 2025-04-15 16:07:17 |
| iva-20241231xex4d3.htm | 20620 | 2025-04-15 16:07:17 |
| iva-20241231xex4d4.htm | 9155 | 2025-04-15 16:07:17 |
| iva-20241231_cal.xml | 106805 | 2025-04-15 16:07:17 |
| iva-20241231_def.xml | 790135 | 2025-04-15 16:07:17 |
| iva-20241231_lab.xml | 1236886 | 2025-04-15 16:07:17 |
| iva-20241231_pre.xml | 1184350 | 2025-04-15 16:07:17 |
| MetaLinks.json | 1350031 | 2025-04-15 16:07:17 |
| R1.htm | 76462 | 2025-04-15 16:07:17 |
| R10.htm | 190245 | 2025-04-15 16:07:17 |
| R100.htm | 128532 | 2025-04-15 16:07:17 |
| R101.htm | 141629 | 2025-04-15 16:07:17 |
| R102.htm | 188208 | 2025-04-15 16:07:17 |
| R103.htm | 256564 | 2025-04-15 16:07:17 |
| R104.htm | 16129 | 2025-04-15 16:07:17 |
| R105.htm | 13957 | 2025-04-15 16:07:17 |
| R106.htm | 28642 | 2025-04-15 16:07:17 |
| R107.htm | 34050 | 2025-04-15 16:07:17 |
| R108.htm | 80519 | 2025-04-15 16:07:17 |
| R109.htm | 34123 | 2025-04-15 16:07:17 |
| R11.htm | 70469 | 2025-04-15 16:07:17 |
| R110.htm | 48653 | 2025-04-15 16:07:17 |
| R111.htm | 88854 | 2025-04-15 16:07:17 |
| R112.htm | 86775 | 2025-04-15 16:07:17 |
| R113.htm | 16798 | 2025-04-15 16:07:17 |
| R114.htm | 36792 | 2025-04-15 16:07:17 |
| R115.htm | 13637 | 2025-04-15 16:07:17 |
| R116.htm | 12521 | 2025-04-15 16:07:17 |
| R117.htm | 7010 | 2025-04-15 16:07:17 |
| R118.htm | 11811 | 2025-04-15 16:07:17 |
| R119.htm | 11935 | 2025-04-15 16:07:17 |
| R12.htm | 145060 | 2025-04-15 16:07:17 |
| R120.htm | 16722 | 2025-04-15 16:07:17 |
| R121.htm | 35490 | 2025-04-15 16:07:17 |
| R122.htm | 13568 | 2025-04-15 16:07:17 |
| R123.htm | 13764 | 2025-04-15 16:07:17 |
| R124.htm | 12189 | 2025-04-15 16:07:17 |
| R125.htm | 16260 | 2025-04-15 16:07:17 |
| R126.htm | 77193 | 2025-04-15 16:07:17 |
| R127.htm | 18588 | 2025-04-15 16:07:17 |
| R128.htm | 153648 | 2025-04-15 16:07:17 |
| R129.htm | 38211 | 2025-04-15 16:07:17 |
| R13.htm | 64429 | 2025-04-15 16:07:17 |
| R130.htm | 30558 | 2025-04-15 16:07:17 |
| R131.htm | 10191 | 2025-04-15 16:07:17 |
| R132.htm | 27021 | 2025-04-15 16:07:17 |
| R133.htm | 10630 | 2025-04-15 16:07:17 |
| R134.htm | 55815 | 2025-04-15 16:07:17 |
| R135.htm | 51602 | 2025-04-15 16:07:17 |
| R136.htm | 41347 | 2025-04-15 16:07:17 |
| R137.htm | 16353 | 2025-04-15 16:07:17 |
| R138.htm | 19212 | 2025-04-15 16:07:17 |
| R139.htm | 17565 | 2025-04-15 16:07:17 |
| R14.htm | 23679 | 2025-04-15 16:07:17 |
| R140.htm | 53824 | 2025-04-15 16:07:17 |
| R141.htm | 12063 | 2025-04-15 16:07:17 |
| R142.htm | 12352 | 2025-04-15 16:07:17 |
| R143.htm | 28491 | 2025-04-15 16:07:17 |
| R144.htm | 6842 | 2025-04-15 16:07:17 |
| R15.htm | 16350 | 2025-04-15 16:07:17 |
| R16.htm | 15800 | 2025-04-15 16:07:17 |
| R17.htm | 50406 | 2025-04-15 16:07:17 |
| R18.htm | 22071 | 2025-04-15 16:07:17 |
| R19.htm | 723208 | 2025-04-15 16:07:17 |
| R2.htm | 87824 | 2025-04-15 16:07:17 |
| R20.htm | 492495 | 2025-04-15 16:07:17 |
| R21.htm | 52131 | 2025-04-15 16:07:17 |
| R22.htm | 84488 | 2025-04-15 16:07:17 |
| R23.htm | 23699 | 2025-04-15 16:07:17 |
| R24.htm | 29500 | 2025-04-15 16:07:17 |
| R25.htm | 190453 | 2025-04-15 16:07:17 |
| R26.htm | 58749 | 2025-04-15 16:07:17 |
| R27.htm | 192778 | 2025-04-15 16:07:17 |
| R28.htm | 31907 | 2025-04-15 16:07:17 |
| R29.htm | 40778 | 2025-04-15 16:07:17 |
| R3.htm | 44271 | 2025-04-15 16:07:17 |
| R30.htm | 37072 | 2025-04-15 16:07:17 |
| R31.htm | 40617 | 2025-04-15 16:07:17 |
| R32.htm | 17134 | 2025-04-15 16:07:17 |
| R33.htm | 21839 | 2025-04-15 16:07:17 |
| R34.htm | 30382 | 2025-04-15 16:07:17 |
| R35.htm | 41273 | 2025-04-15 16:07:17 |
| R36.htm | 7935 | 2025-04-15 16:07:17 |
| R37.htm | 4371 | 2025-04-15 16:07:17 |
| R38.htm | 38892 | 2025-04-15 16:07:17 |
| R39.htm | 223434 | 2025-04-15 16:07:17 |
| R4.htm | 23959 | 2025-04-15 16:07:17 |
| R40.htm | 72396 | 2025-04-15 16:07:17 |
| R41.htm | 99993 | 2025-04-15 16:07:17 |
| R42.htm | 69776 | 2025-04-15 16:07:17 |
| R43.htm | 143311 | 2025-04-15 16:07:17 |
| R44.htm | 61031 | 2025-04-15 16:07:17 |
| R45.htm | 18538 | 2025-04-15 16:07:17 |
| R46.htm | 13494 | 2025-04-15 16:07:17 |
| R47.htm | 15591 | 2025-04-15 16:07:17 |
| R48.htm | 45252 | 2025-04-15 16:07:17 |
| R49.htm | 15299 | 2025-04-15 16:07:17 |
| R5.htm | 62494 | 2025-04-15 16:07:17 |
| R50.htm | 675369 | 2025-04-15 16:07:17 |
| R51.htm | 455845 | 2025-04-15 16:07:17 |
| R52.htm | 51622 | 2025-04-15 16:07:17 |
| R53.htm | 89534 | 2025-04-15 16:07:17 |
| R54.htm | 19954 | 2025-04-15 16:07:17 |
| R55.htm | 28917 | 2025-04-15 16:07:17 |
| R56.htm | 190688 | 2025-04-15 16:07:17 |
| R57.htm | 20645 | 2025-04-15 16:07:17 |
| R58.htm | 192891 | 2025-04-15 16:07:17 |
| R59.htm | 30567 | 2025-04-15 16:07:17 |
| R6.htm | 89146 | 2025-04-15 16:07:17 |
| R60.htm | 28212 | 2025-04-15 16:07:17 |
| R61.htm | 35970 | 2025-04-15 16:07:17 |
| R62.htm | 38657 | 2025-04-15 16:07:17 |
| R63.htm | 16131 | 2025-04-15 16:07:17 |
| R64.htm | 17917 | 2025-04-15 16:07:17 |
| R65.htm | 20540 | 2025-04-15 16:07:17 |
| R66.htm | 32605 | 2025-04-15 16:07:17 |
| R67.htm | 1528444 | 2025-04-15 16:07:17 |
| R68.htm | 76427 | 2025-04-15 16:07:17 |
| R69.htm | 17804 | 2025-04-15 16:07:17 |
| R7.htm | 6658 | 2025-04-15 16:07:17 |
| R70.htm | 25255 | 2025-04-15 16:07:17 |
| R71.htm | 6610 | 2025-04-15 16:07:17 |
| R72.htm | 24581 | 2025-04-15 16:07:17 |
| R73.htm | 10635 | 2025-04-15 16:07:17 |
| R74.htm | 20105 | 2025-04-15 16:07:17 |
| R75.htm | 7650 | 2025-04-15 16:07:17 |
| R76.htm | 8472 | 2025-04-15 16:07:17 |
| R77.htm | 23396 | 2025-04-15 16:07:17 |
| R78.htm | 34455 | 2025-04-15 16:07:17 |
| R79.htm | 27015 | 2025-04-15 16:07:17 |
| R8.htm | 117291 | 2025-04-15 16:07:17 |
| R80.htm | 52893 | 2025-04-15 16:07:17 |
| R81.htm | 17453 | 2025-04-15 16:07:17 |
| R82.htm | 36246 | 2025-04-15 16:07:17 |
| R83.htm | 89155 | 2025-04-15 16:07:17 |
| R84.htm | 11742 | 2025-04-15 16:07:17 |
| R85.htm | 17400 | 2025-04-15 16:07:17 |
| R86.htm | 6826 | 2025-04-15 16:07:17 |
| R87.htm | 7655 | 2025-04-15 16:07:17 |
| R88.htm | 14656 | 2025-04-15 16:07:17 |
| R89.htm | 9811 | 2025-04-15 16:07:17 |
| R9.htm | 89248 | 2025-04-15 16:07:17 |
| R90.htm | 9678 | 2025-04-15 16:07:17 |
| R91.htm | 22863 | 2025-04-15 16:07:17 |
| R92.htm | 33406 | 2025-04-15 16:07:17 |
| R93.htm | 9341 | 2025-04-15 16:07:17 |
| R94.htm | 63297 | 2025-04-15 16:07:17 |
| R95.htm | 18108 | 2025-04-15 16:07:17 |
| R96.htm | 158495 | 2025-04-15 16:07:17 |
| R97.htm | 4036 | 2025-04-15 16:07:17 |
| R98.htm | 108199 | 2025-04-15 16:07:17 |
| R99.htm | 24084 | 2025-04-15 16:07:17 |
| report.css | 2768 | 2025-04-15 16:07:17 |
| Show.js | 1086 | 2025-04-15 16:07:17 |