Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-062243-index-headers.html | 2023-11-09 17:36:35 | |
| 0000950170-23-062243-index.html | 2023-11-09 17:36:35 | |
| 0000950170-23-062243.txt | 2023-11-09 17:36:35 | |
 0000950170-23-062243-xbrl.zip | 228014 | 2023-11-09 17:36:35 |
| FilingSummary.xml | 47071 | 2023-11-09 17:36:35 |
| Financial_Report.xlsx | 92323 | 2023-11-09 17:36:35 |
| MetaLinks.json | 787011 | 2023-11-09 17:36:35 |
| onto-20230930.htm | 2862526 | 2023-11-09 17:36:35 |
| onto-20230930.xsd | 50820 | 2023-11-09 17:36:35 |
| onto-20230930_cal.xml | 62729 | 2023-11-09 17:36:35 |
| onto-20230930_def.xml | 119708 | 2023-11-09 17:36:35 |
| onto-20230930_htm.xml | 2698332 | 2023-11-09 17:36:35 |
| onto-20230930_lab.xml | 385720 | 2023-11-09 17:36:35 |
| onto-20230930_pre.xml | 284751 | 2023-11-09 17:36:35 |
| onto-ex31_1.htm | 21797 | 2023-11-09 17:36:35 |
| onto-ex31_2.htm | 21860 | 2023-11-09 17:36:35 |
| onto-ex32_1.htm | 12583 | 2023-11-09 17:36:35 |
| onto-ex32_2.htm | 13117 | 2023-11-09 17:36:35 |
| R1.htm | 51566 | 2023-11-09 17:36:35 |
| R10.htm | 11548 | 2023-11-09 17:36:35 |
| R11.htm | 157420 | 2023-11-09 17:36:35 |
| R12.htm | 234751 | 2023-11-09 17:36:35 |
| R13.htm | 17776 | 2023-11-09 17:36:35 |
| R14.htm | 81189 | 2023-11-09 17:36:35 |
| R15.htm | 134433 | 2023-11-09 17:36:35 |
| R16.htm | 41047 | 2023-11-09 17:36:35 |
| R17.htm | 80701 | 2023-11-09 17:36:35 |
| R18.htm | 32334 | 2023-11-09 17:36:35 |
| R19.htm | 40686 | 2023-11-09 17:36:35 |
| R2.htm | 82666 | 2023-11-09 17:36:35 |
| R20.htm | 44140 | 2023-11-09 17:36:35 |
| R21.htm | 78336 | 2023-11-09 17:36:35 |
| R22.htm | 33668 | 2023-11-09 17:36:35 |
| R23.htm | 167822 | 2023-11-09 17:36:35 |
| R24.htm | 6582 | 2023-11-09 17:36:35 |
| R25.htm | 8158 | 2023-11-09 17:36:35 |
| R26.htm | 10955 | 2023-11-09 17:36:35 |
| R27.htm | 152516 | 2023-11-09 17:36:35 |
| R28.htm | 237246 | 2023-11-09 17:36:35 |
| R29.htm | 15565 | 2023-11-09 17:36:35 |
| R3.htm | 29550 | 2023-11-09 17:36:35 |
| R30.htm | 83106 | 2023-11-09 17:36:35 |
| R31.htm | 141703 | 2023-11-09 17:36:35 |
| R32.htm | 27343 | 2023-11-09 17:36:35 |
| R33.htm | 77172 | 2023-11-09 17:36:35 |
| R34.htm | 26061 | 2023-11-09 17:36:35 |
| R35.htm | 40041 | 2023-11-09 17:36:35 |
| R36.htm | 38390 | 2023-11-09 17:36:35 |
| R37.htm | 76981 | 2023-11-09 17:36:35 |
| R38.htm | 32103 | 2023-11-09 17:36:35 |
| R39.htm | 166488 | 2023-11-09 17:36:35 |
| R4.htm | 100739 | 2023-11-09 17:36:35 |
| R40.htm | 54073 | 2023-11-09 17:36:35 |
| R41.htm | 31147 | 2023-11-09 17:36:35 |
| R42.htm | 21421 | 2023-11-09 17:36:35 |
| R43.htm | 33968 | 2023-11-09 17:36:35 |
| R44.htm | 6273 | 2023-11-09 17:36:35 |
| R45.htm | 23390 | 2023-11-09 17:36:35 |
| R46.htm | 19059 | 2023-11-09 17:36:35 |
| R47.htm | 12010 | 2023-11-09 17:36:35 |
| R48.htm | 21332 | 2023-11-09 17:36:35 |
| R49.htm | 7741 | 2023-11-09 17:36:35 |
| R5.htm | 4924 | 2023-11-09 17:36:35 |
| R50.htm | 11522 | 2023-11-09 17:36:35 |
| R51.htm | 14879 | 2023-11-09 17:36:35 |
| R52.htm | 14870 | 2023-11-09 17:36:35 |
| R53.htm | 17627 | 2023-11-09 17:36:35 |
| R54.htm | 9024 | 2023-11-09 17:36:35 |
| R55.htm | 14917 | 2023-11-09 17:36:35 |
| R56.htm | 4940 | 2023-11-09 17:36:35 |
| R57.htm | 9791 | 2023-11-09 17:36:35 |
| R58.htm | 25159 | 2023-11-09 17:36:35 |
| R59.htm | 26545 | 2023-11-09 17:36:35 |
| R6.htm | 71563 | 2023-11-09 17:36:35 |
| R60.htm | 9469 | 2023-11-09 17:36:35 |
| R61.htm | 13406 | 2023-11-09 17:36:35 |
| R62.htm | 4335 | 2023-11-09 17:36:35 |
| R63.htm | 38114 | 2023-11-09 17:36:35 |
| R64.htm | 23311 | 2023-11-09 17:36:35 |
| R65.htm | 4288 | 2023-11-09 17:36:35 |
| R66.htm | 4350 | 2023-11-09 17:36:35 |
| R67.htm | 24878 | 2023-11-09 17:36:35 |
| R68.htm | 23589 | 2023-11-09 17:36:35 |
| R69.htm | 15451 | 2023-11-09 17:36:35 |
| R7.htm | 80839 | 2023-11-09 17:36:35 |
| R70.htm | 7484 | 2023-11-09 17:36:35 |
| R71.htm | 5815 | 2023-11-09 17:36:35 |
| R8.htm | 15924 | 2023-11-09 17:36:35 |
| R9.htm | 6486 | 2023-11-09 17:36:35 |
| report.css | 2767 | 2023-11-09 17:36:35 |
| Show.js | 1085 | 2023-11-09 17:36:35 |