Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001017386-20-000151-index-headers.html | 2020-05-15 11:09:37 | |
| 0001017386-20-000151-index.html | 2020-05-15 11:09:37 | |
| 0001017386-20-000151.txt | 2020-05-15 11:09:37 | |
 0001017386-20-000151-xbrl.zip | 24641 | 2020-05-15 11:09:37 |
| exhibit_31-1.htm | 8346 | 2020-05-15 11:09:37 |
| exhibit_31-2.htm | 9088 | 2020-05-15 11:09:37 |
| exhibit_32-1.htm | 6595 | 2020-05-15 11:09:37 |
| FilingSummary.xml | 5915 | 2020-05-15 11:09:37 |
| Financial_Report.xlsx | 15337 | 2020-05-15 11:09:37 |
| R1.htm | 29272 | 2020-05-15 11:09:37 |
| R2.htm | 85366 | 2020-05-15 11:09:37 |
| R3.htm | 10824 | 2020-05-15 11:09:37 |
| R4.htm | 49594 | 2020-05-15 11:09:37 |
| R5.htm | 12828 | 2020-05-15 11:09:37 |
| R6.htm | 41574 | 2020-05-15 11:09:37 |
| R7.htm | 10460 | 2020-05-15 11:09:37 |
| R8.htm | 11903 | 2020-05-15 11:09:37 |
| R9.htm | 13541 | 2020-05-15 11:09:37 |
| report.css | 2767 | 2020-05-15 11:09:37 |
| Show.js | 1085 | 2020-05-15 11:09:37 |
| sog-20200331.xml | 54450 | 2020-05-15 11:09:37 |
| sog-20200331.xsd | 10001 | 2020-05-15 11:09:37 |
| sog-20200331_cal.xml | 32674 | 2020-05-15 11:09:37 |
| sog-20200331_def.xml | 9547 | 2020-05-15 11:09:37 |
| sog-20200331_lab.xml | 102572 | 2020-05-15 11:09:37 |
| sog-20200331_pre.xml | 64084 | 2020-05-15 11:09:37 |
| sog_2020mar31-10q.htm | 230052 | 2020-05-15 11:09:37 |