Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001403528-21-000004-index-headers.html | 2021-02-19 16:35:25 | |
| 0001403528-21-000004-index.html | 2021-02-19 16:35:25 | |
| 0001403528-21-000004.txt | 2021-02-19 16:35:25 | |
 0001403528-21-000004-xbrl.zip | 16624 | 2021-02-19 16:35:25 |
| exhibit991pressrelease2021.htm | 6353 | 2021-02-19 16:35:25 |
| FilingSummary.xml | 1800 | 2021-02-19 16:35:25 |
| Financial_Report.xlsx | 5511 | 2021-02-19 16:35:25 |
| MetaLinks.json | 20628 | 2021-02-19 16:35:25 |
| oak-20210216.htm | 43300 | 2021-02-19 16:35:25 |
| oak-20210216.xsd | 2570 | 2021-02-19 16:35:25 |
| oak-20210216_cal.xml | 719 | 2021-02-19 16:35:25 |
| oak-20210216_def.xml | 6420 | 2021-02-19 16:35:25 |
| oak-20210216_htm.xml | 13411 | 2021-02-19 16:35:25 |
| oak-20210216_lab.xml | 30411 | 2021-02-19 16:35:25 |
| oak-20210216_pre.xml | 16069 | 2021-02-19 16:35:25 |
| R1.htm | 40561 | 2021-02-19 16:35:25 |
| report.css | 2767 | 2021-02-19 16:35:25 |
| Show.js | 1085 | 2021-02-19 16:35:25 |