Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-22-053709-index-headers.html | 2022-04-29 16:47:08 | |
| 0001104659-22-053709-index.html | 2022-04-29 16:47:08 | |
| 0001104659-22-053709.txt | 2022-04-29 16:47:08 | |
 0001104659-22-053709-xbrl.zip | 27333 | 2022-04-29 16:47:08 |
| FilingSummary.xml | 1697 | 2022-04-29 16:47:08 |
| Financial_Report.xlsx | 6174 | 2022-04-29 16:47:08 |
| MetaLinks.json | 39980 | 2022-04-29 16:47:08 |
| R1.htm | 66966 | 2022-04-29 16:47:08 |
| report.css | 2767 | 2022-04-29 16:47:08 |
| Show.js | 1085 | 2022-04-29 16:47:08 |
| svt-20211231.xsd | 3042 | 2022-04-29 16:47:08 |
| svt-20211231_lab.xml | 36509 | 2022-04-29 16:47:08 |
| svt-20211231_pre.xml | 24005 | 2022-04-29 16:47:08 |
| tm2214073d1_10ka.htm | 144087 | 2022-04-29 16:47:08 |
| tm2214073d1_10ka_htm.xml | 5484 | 2022-04-29 16:47:08 |
| tm2214073d1_ex31-1.htm | 3524 | 2022-04-29 16:47:08 |
| tm2214073d1_ex31-2.htm | 3843 | 2022-04-29 16:47:08 |