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|---|---|---|
 0001104659-21-131786-index-headers.html | 2021-10-29 16:08:19 | |
| 0001104659-21-131786-index.html | 2021-10-29 16:08:19 | |
| 0001104659-21-131786.txt | 2021-10-29 16:08:19 | |
 0001104659-21-131786-xbrl.zip | 966148 | 2021-10-29 16:08:19 |
| FilingSummary.xml | 1783 | 2021-10-29 16:08:19 |
| Financial_Report.xlsx | 5682 | 2021-10-29 16:08:19 |
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| opch-20211027.xsd | 3189 | 2021-10-29 16:08:19 |
| opch-20211027_lab.xml | 34594 | 2021-10-29 16:08:19 |
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| R1.htm | 38627 | 2021-10-29 16:08:19 |
| report.css | 2767 | 2021-10-29 16:08:19 |
| Show.js | 1085 | 2021-10-29 16:08:19 |
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 tm2131162d1_8kimg001.jpg | 5864 | 2021-10-29 16:08:19 |
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| tm2131162d1_ex4-1.htm | 1297698 | 2021-10-29 16:08:19 |