Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001121484-20-000085-index-headers.html | 2020-06-17 17:45:55 | |
| 0001121484-20-000085-index.html | 2020-06-17 17:45:55 | |
| 0001121484-20-000085.txt | 2020-06-17 17:45:55 | |
 0001121484-20-000085-xbrl.zip | 167458 | 2020-06-17 17:45:55 |
| FilingSummary.xml | 1851 | 2020-06-17 17:45:55 |
| Financial_Report.xlsx | 5837 | 2020-06-17 17:45:55 |
| MetaLinks.json | 18726 | 2020-06-17 17:45:55 |
| ois-20200617.htm | 46157 | 2020-06-17 17:45:55 |
| ois-20200617.xsd | 2530 | 2020-06-17 17:45:55 |
| ois-20200617_cal.xml | 812 | 2020-06-17 17:45:55 |
| ois-20200617_def.xml | 1776 | 2020-06-17 17:45:55 |
| ois-20200617_htm.xml | 10973 | 2020-06-17 17:45:55 |
| ois-20200617_lab.xml | 25298 | 2020-06-17 17:45:55 |
| ois-20200617_pre.xml | 13292 | 2020-06-17 17:45:55 |
| ois20200617ex101.htm | 1380047 | 2020-06-17 17:45:55 |
| ois20200617ex991.htm | 9362 | 2020-06-17 17:45:55 |
| R1.htm | 40199 | 2020-06-17 17:45:55 |
| report.css | 2767 | 2020-06-17 17:45:55 |
| Show.js | 1085 | 2020-06-17 17:45:55 |