Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000091767-20-000046-index-headers.html | 2020-04-16 08:31:47 | |
| 0000091767-20-000046-index.html | 2020-04-16 08:31:47 | |
| 0000091767-20-000046.txt | 2020-04-16 08:31:47 | |
 0000091767-20-000046-xbrl.zip | 38188 | 2020-04-16 08:31:47 |
| ex99q12020.htm | 406440 | 2020-04-16 08:31:47 |
| FilingSummary.xml | 1713 | 2020-04-16 08:31:47 |
| Financial_Report.xlsx | 5776 | 2020-04-16 08:31:47 |
 image11.jpg | 9834 | 2020-04-16 08:31:47 |
| MetaLinks.json | 19785 | 2020-04-16 08:31:47 |
| R1.htm | 38823 | 2020-04-16 08:31:47 |
| report.css | 2767 | 2020-04-16 08:31:47 |
| Show.js | 1085 | 2020-04-16 08:31:47 |
| son-20200416.htm | 42778 | 2020-04-16 08:31:47 |
| son-20200416.xsd | 2425 | 2020-04-16 08:31:47 |
| son-20200416_cal.xml | 717 | 2020-04-16 08:31:47 |
| son-20200416_def.xml | 14482 | 2020-04-16 08:31:47 |
| son-20200416_htm.xml | 10792 | 2020-04-16 08:31:47 |
| son-20200416_lab.xml | 27696 | 2020-04-16 08:31:47 |
| son-20200416_pre.xml | 15011 | 2020-04-16 08:31:47 |