Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001121484-20-000081-index-headers.html | 2020-05-12 17:21:29 | |
| 0001121484-20-000081-index.html | 2020-05-12 17:21:29 | |
| 0001121484-20-000081.txt | 2020-05-12 17:21:29 | |
 0001121484-20-000081-xbrl.zip | 12339 | 2020-05-12 17:21:29 |
| FilingSummary.xml | 1775 | 2020-05-12 17:21:29 |
| Financial_Report.xlsx | 5835 | 2020-05-12 17:21:29 |
| MetaLinks.json | 19385 | 2020-05-12 17:21:29 |
| ois-20200512.htm | 54541 | 2020-05-12 17:21:29 |
| ois-20200512.xsd | 2671 | 2020-05-12 17:21:29 |
| ois-20200512_cal.xml | 812 | 2020-05-12 17:21:29 |
| ois-20200512_def.xml | 1776 | 2020-05-12 17:21:29 |
| ois-20200512_htm.xml | 11451 | 2020-05-12 17:21:29 |
| ois-20200512_lab.xml | 25298 | 2020-05-12 17:21:29 |
| ois-20200512_pre.xml | 13292 | 2020-05-12 17:21:29 |
| R1.htm | 40196 | 2020-05-12 17:21:29 |
| report.css | 2767 | 2020-05-12 17:21:29 |
| Show.js | 1085 | 2020-05-12 17:21:29 |