Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-19-129238-index-headers.html | 2019-04-30 16:02:28 | |
| 0001193125-19-129238-index.html | 2019-04-30 16:02:28 | |
| 0001193125-19-129238.txt | 2019-04-30 16:02:28 | |
 0001193125-19-129238-xbrl.zip | 226367 | 2019-04-30 16:02:28 |
| d713917d10q.htm | 641192 | 2019-04-30 16:02:28 |
| d713917dex102.htm | 45916 | 2019-04-30 16:02:28 |
| d713917dex311.htm | 9033 | 2019-04-30 16:02:28 |
| d713917dex312.htm | 9245 | 2019-04-30 16:02:28 |
| d713917dex321.htm | 7522 | 2019-04-30 16:02:28 |
| FilingSummary.xml | 48002 | 2019-04-30 16:02:28 |
| Financial_Report.xlsx | 83891 | 2019-04-30 16:02:28 |
| ivac-20190330.xml | 5084067 | 2019-04-30 16:02:28 |
| ivac-20190330.xsd | 50367 | 2019-04-30 16:02:28 |
| ivac-20190330_cal.xml | 52762 | 2019-04-30 16:02:28 |
| ivac-20190330_def.xml | 407695 | 2019-04-30 16:02:28 |
| ivac-20190330_lab.xml | 434570 | 2019-04-30 16:02:28 |
| ivac-20190330_pre.xml | 459015 | 2019-04-30 16:02:28 |
| R1.htm | 25618 | 2019-04-30 16:02:28 |
| R10.htm | 28697 | 2019-04-30 16:02:28 |
| R11.htm | 165868 | 2019-04-30 16:02:28 |
| R12.htm | 47087 | 2019-04-30 16:02:28 |
| R13.htm | 31141 | 2019-04-30 16:02:28 |
| R14.htm | 55447 | 2019-04-30 16:02:28 |
| R15.htm | 9487 | 2019-04-30 16:02:28 |
| R16.htm | 101146 | 2019-04-30 16:02:28 |
| R17.htm | 672252 | 2019-04-30 16:02:28 |
| R18.htm | 78491 | 2019-04-30 16:02:28 |
| R19.htm | 362900 | 2019-04-30 16:02:28 |
| R2.htm | 77569 | 2019-04-30 16:02:28 |
| R20.htm | 36208 | 2019-04-30 16:02:28 |
| R21.htm | 133606 | 2019-04-30 16:02:28 |
| R22.htm | 6784 | 2019-04-30 16:02:28 |
| R23.htm | 22912 | 2019-04-30 16:02:28 |
| R24.htm | 3878 | 2019-04-30 16:02:28 |
| R25.htm | 3881 | 2019-04-30 16:02:28 |
| R26.htm | 103972 | 2019-04-30 16:02:28 |
| R27.htm | 378903 | 2019-04-30 16:02:28 |
| R28.htm | 27601 | 2019-04-30 16:02:28 |
| R29.htm | 165916 | 2019-04-30 16:02:28 |
| R3.htm | 9594 | 2019-04-30 16:02:28 |
| R30.htm | 48406 | 2019-04-30 16:02:28 |
| R31.htm | 28877 | 2019-04-30 16:02:28 |
| R32.htm | 53954 | 2019-04-30 16:02:28 |
| R33.htm | 105364 | 2019-04-30 16:02:28 |
| R34.htm | 677996 | 2019-04-30 16:02:28 |
| R35.htm | 77246 | 2019-04-30 16:02:28 |
| R36.htm | 361736 | 2019-04-30 16:02:28 |
| R37.htm | 35829 | 2019-04-30 16:02:28 |
| R38.htm | 132294 | 2019-04-30 16:02:28 |
| R39.htm | 22073 | 2019-04-30 16:02:28 |
| R4.htm | 45446 | 2019-04-30 16:02:28 |
| R40.htm | 4906 | 2019-04-30 16:02:28 |
| R41.htm | 50267 | 2019-04-30 16:02:28 |
| R42.htm | 40903 | 2019-04-30 16:02:28 |
| R43.htm | 31335 | 2019-04-30 16:02:28 |
| R44.htm | 33766 | 2019-04-30 16:02:28 |
| R45.htm | 28787 | 2019-04-30 16:02:28 |
| R46.htm | 12403 | 2019-04-30 16:02:28 |
| R47.htm | 6450 | 2019-04-30 16:02:28 |
| R48.htm | 11266 | 2019-04-30 16:02:28 |
| R49.htm | 26646 | 2019-04-30 16:02:28 |
| R5.htm | 23450 | 2019-04-30 16:02:28 |
| R50.htm | 19349 | 2019-04-30 16:02:28 |
| R51.htm | 24999 | 2019-04-30 16:02:28 |
| R52.htm | 5544 | 2019-04-30 16:02:28 |
| R53.htm | 14448 | 2019-04-30 16:02:28 |
| R54.htm | 9183 | 2019-04-30 16:02:28 |
| R55.htm | 10051 | 2019-04-30 16:02:28 |
| R56.htm | 9991 | 2019-04-30 16:02:28 |
| R57.htm | 5393 | 2019-04-30 16:02:28 |
| R58.htm | 11329 | 2019-04-30 16:02:28 |
| R59.htm | 8885 | 2019-04-30 16:02:28 |
| R6.htm | 59017 | 2019-04-30 16:02:28 |
| R60.htm | 6211 | 2019-04-30 16:02:28 |
| R61.htm | 11775 | 2019-04-30 16:02:28 |
| R62.htm | 7574 | 2019-04-30 16:02:28 |
| R63.htm | 20541 | 2019-04-30 16:02:28 |
| R64.htm | 5428 | 2019-04-30 16:02:28 |
| R65.htm | 5535 | 2019-04-30 16:02:28 |
| R66.htm | 49302 | 2019-04-30 16:02:28 |
| R67.htm | 17165 | 2019-04-30 16:02:28 |
| R68.htm | 16917 | 2019-04-30 16:02:28 |
| R69.htm | 29954 | 2019-04-30 16:02:28 |
| R7.htm | 8897 | 2019-04-30 16:02:28 |
| R70.htm | 4479 | 2019-04-30 16:02:28 |
| R71.htm | 11479 | 2019-04-30 16:02:28 |
| R72.htm | 31496 | 2019-04-30 16:02:28 |
| R73.htm | 24135 | 2019-04-30 16:02:28 |
| R74.htm | 10928 | 2019-04-30 16:02:28 |
| R75.htm | 15931 | 2019-04-30 16:02:28 |
| R76.htm | 5896 | 2019-04-30 16:02:28 |
| R77.htm | 23994 | 2019-04-30 16:02:28 |
| R78.htm | 26993 | 2019-04-30 16:02:28 |
| R79.htm | 16349 | 2019-04-30 16:02:28 |
| R8.htm | 106519 | 2019-04-30 16:02:28 |
| R80.htm | 6268 | 2019-04-30 16:02:28 |
| R81.htm | 11465 | 2019-04-30 16:02:28 |
| R82.htm | 2826 | 2019-04-30 16:02:28 |
| R9.htm | 383553 | 2019-04-30 16:02:28 |
| report.css | 2767 | 2019-04-30 16:02:28 |
| Show.js | 1085 | 2019-04-30 16:02:28 |