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|---|---|---|
 0001104659-21-079411-index-headers.html | 2021-06-10 16:05:42 | |
| 0001104659-21-079411-index.html | 2021-06-10 16:05:42 | |
| 0001104659-21-079411.txt | 2021-06-10 16:05:42 | |
 0001104659-21-079411-xbrl.zip | 63589 | 2021-06-10 16:05:42 |
| FilingSummary.xml | 1742 | 2021-06-10 16:05:42 |
| Financial_Report.xlsx | 5683 | 2021-06-10 16:05:42 |
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| opch-20210608.xsd | 3187 | 2021-06-10 16:05:42 |
| opch-20210608_lab.xml | 34592 | 2021-06-10 16:05:42 |
| opch-20210608_pre.xml | 22711 | 2021-06-10 16:05:42 |
| R1.htm | 38628 | 2021-06-10 16:05:42 |
| report.css | 2767 | 2021-06-10 16:05:42 |
| Show.js | 1085 | 2021-06-10 16:05:42 |
 tm2119229d2_8k-img01.jpg | 6967 | 2021-06-10 16:05:42 |
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 tm2119229d2_ex5-1img002.jpg | 8238 | 2021-06-10 16:05:42 |