Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-23-028416-index-headers.html | 2023-03-03 16:05:42 | |
| 0001104659-23-028416-index.html | 2023-03-03 16:05:42 | |
| 0001104659-23-028416.txt | 2023-03-03 16:05:42 | |
 0001104659-23-028416-xbrl.zip | 64335 | 2023-03-03 16:05:42 |
| FilingSummary.xml | 1719 | 2023-03-03 16:05:42 |
| Financial_Report.xlsx | 5699 | 2023-03-03 16:05:42 |
| MetaLinks.json | 39310 | 2023-03-03 16:05:42 |
| opch-20230228.xsd | 3033 | 2023-03-03 16:05:42 |
| opch-20230228_lab.xml | 34476 | 2023-03-03 16:05:42 |
| opch-20230228_pre.xml | 22595 | 2023-03-03 16:05:42 |
| R1.htm | 38105 | 2023-03-03 16:05:42 |
| report.css | 2767 | 2023-03-03 16:05:42 |
| Show.js | 1085 | 2023-03-03 16:05:42 |
 tm238329d2img001.jpg | 9890 | 2023-03-03 16:05:42 |
 tm238329d2img002.jpg | 5462 | 2023-03-03 16:05:42 |
| tm238329d2_8k.htm | 34204 | 2023-03-03 16:05:42 |
| tm238329d2_8k_htm.xml | 3508 | 2023-03-03 16:05:42 |
| tm238329d2_ex1-1.htm | 235487 | 2023-03-03 16:05:42 |
| tm238329d2_ex10-1.htm | 40129 | 2023-03-03 16:05:42 |
| tm238329d2_ex5-1.htm | 14183 | 2023-03-03 16:05:42 |