Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-20-013162-index-headers.html | 2020-09-01 09:27:19 | |
| 0001628280-20-013162-index.html | 2020-09-01 09:27:19 | |
| 0001628280-20-013162.txt | 2020-09-01 09:27:19 | |
 0001628280-20-013162-xbrl.zip | 15174 | 2020-09-01 09:27:19 |
| FilingSummary.xml | 1708 | 2020-09-01 09:27:19 |
| Financial_Report.xlsx | 5438 | 2020-09-01 09:27:19 |
| MetaLinks.json | 17377 | 2020-09-01 09:27:19 |
| R1.htm | 38601 | 2020-09-01 09:27:19 |
| report.css | 2767 | 2020-09-01 09:27:19 |
| saleofofficetower991ex.htm | 7299 | 2020-09-01 09:27:19 |
| sd-20200831.htm | 57516 | 2020-09-01 09:27:19 |
| sd-20200831.xsd | 2422 | 2020-09-01 09:27:19 |
| sd-20200831_cal.xml | 714 | 2020-09-01 09:27:19 |
| sd-20200831_def.xml | 1647 | 2020-09-01 09:27:19 |
| sd-20200831_htm.xml | 11509 | 2020-09-01 09:27:19 |
| sd-20200831_lab.xml | 23970 | 2020-09-01 09:27:19 |
| sd-20200831_pre.xml | 12650 | 2020-09-01 09:27:19 |
| Show.js | 1085 | 2020-09-01 09:27:19 |