Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001410578-23-000449-index.html | 2023-03-30 15:37:33 | |
| 0001410578-23-000449.txt | 2023-03-30 15:37:33 | |
 0001410578-23-000449-xbrl.zip | 100945 | 2023-03-30 15:37:33 |
| FilingSummary.xml | 11726 | 2023-03-30 15:37:33 |
| Financial_Report.xlsx | 25493 | 2023-03-30 15:37:33 |
| MetaLinks.json | 183639 | 2023-03-30 15:37:33 |
| R1.htm | 64218 | 2023-03-30 15:37:33 |
| R10.htm | 7295 | 2023-03-30 15:37:33 |
| R11.htm | 15512 | 2023-03-30 15:37:33 |
| R12.htm | 19481 | 2023-03-30 15:37:33 |
| R13.htm | 23445 | 2023-03-30 15:37:33 |
| R14.htm | 14598 | 2023-03-30 15:37:33 |
| R15.htm | 13337 | 2023-03-30 15:37:33 |
| R16.htm | 22424 | 2023-03-30 15:37:33 |
| R17.htm | 17878 | 2023-03-30 15:37:33 |
| R2.htm | 33596 | 2023-03-30 15:37:33 |
| R3.htm | 10567 | 2023-03-30 15:37:33 |
| R4.htm | 51989 | 2023-03-30 15:37:33 |
| R5.htm | 27644 | 2023-03-30 15:37:33 |
| R6.htm | 34691 | 2023-03-30 15:37:33 |
| R7.htm | 12289 | 2023-03-30 15:37:33 |
| R8.htm | 7435 | 2023-03-30 15:37:33 |
| R9.htm | 23547 | 2023-03-30 15:37:33 |
| report.css | 2767 | 2023-03-30 15:37:33 |
| sdon-20221231.xsd | 14199 | 2023-03-30 15:37:33 |
| sdon-20221231x10k.htm | 810388 | 2023-03-30 15:37:33 |
| sdon-20221231x10k_htm.xml | 115766 | 2023-03-30 15:37:33 |
| sdon-20221231xex23d1.htm | 5881 | 2023-03-30 15:37:33 |
| sdon-20221231xex31d1.htm | 19216 | 2023-03-30 15:37:33 |
| sdon-20221231xex31d2.htm | 19200 | 2023-03-30 15:37:33 |
| sdon-20221231xex32d1.htm | 9469 | 2023-03-30 15:37:33 |
| sdon-20221231xex32d2.htm | 6804 | 2023-03-30 15:37:33 |
| sdon-20221231xex4d3.htm | 6575 | 2023-03-30 15:37:33 |
| sdon-20221231_cal.xml | 10806 | 2023-03-30 15:37:33 |
| sdon-20221231_def.xml | 17095 | 2023-03-30 15:37:33 |
| sdon-20221231_lab.xml | 95631 | 2023-03-30 15:37:33 |
| sdon-20221231_pre.xml | 78914 | 2023-03-30 15:37:33 |
| Show.js | 1085 | 2023-03-30 15:37:33 |