Parent Directory| Name | Size | Last Modified |
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| 0001104659-23-125031-index.html | 2023-12-11 17:00:24 | |
| 0001104659-23-125031.txt | 2023-12-11 17:00:24 | |
 0001104659-23-125031-xbrl.zip | 379400 | 2023-12-11 17:00:24 |
| FilingSummary.xml | 1702 | 2023-12-11 17:00:24 |
| Financial_Report.xlsx | 5730 | 2023-12-11 17:00:24 |
| MetaLinks.json | 39188 | 2023-12-11 17:00:24 |
| opch-20231206.xsd | 3015 | 2023-12-11 17:00:24 |
| opch-20231206_lab.xml | 34240 | 2023-12-11 17:00:24 |
| opch-20231206_pre.xml | 22359 | 2023-12-11 17:00:24 |
| R1.htm | 39623 | 2023-12-11 17:00:24 |
| report.css | 2767 | 2023-12-11 17:00:24 |
| Show.js | 1085 | 2023-12-11 17:00:24 |
| tm2332364d1_8k.htm | 60242 | 2023-12-11 17:00:24 |
 tm2332364d1_8kimg001.jpg | 4368 | 2023-12-11 17:00:24 |
| tm2332364d1_8k_htm.xml | 3331 | 2023-12-11 17:00:24 |
| tm2332364d1_ex10-1.htm | 1861589 | 2023-12-11 17:00:24 |
| tm2332364d1_ex10-2.htm | 94775 | 2023-12-11 17:00:24 |
| tm2332364d1_ex10-3.htm | 224678 | 2023-12-11 17:00:24 |
| tm2332364d1_ex3-1.htm | 150740 | 2023-12-11 17:00:24 |