Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001410578-23-001160-index.html | 2023-05-15 08:02:43 | |
| 0001410578-23-001160.txt | 2023-05-15 08:02:43 | |
 0001410578-23-001160-xbrl.zip | 150747 | 2023-05-15 08:02:43 |
| FilingSummary.xml | 26330 | 2023-05-15 08:02:43 |
| Financial_Report.xlsx | 68593 | 2023-05-15 08:02:43 |
| MetaLinks.json | 526173 | 2023-05-15 08:02:43 |
| R1.htm | 51540 | 2023-05-15 08:02:43 |
| R10.htm | 25520 | 2023-05-15 08:02:43 |
| R11.htm | 35911 | 2023-05-15 08:02:43 |
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| R21.htm | 181947 | 2023-05-15 08:02:43 |
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| R28.htm | 23972 | 2023-05-15 08:02:43 |
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| R4.htm | 73088 | 2023-05-15 08:02:43 |
| R40.htm | 4781 | 2023-05-15 08:02:43 |
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| R6.htm | 72234 | 2023-05-15 08:02:43 |
| R7.htm | 5802 | 2023-05-15 08:02:43 |
| R8.htm | 42830 | 2023-05-15 08:02:43 |
| R9.htm | 21378 | 2023-05-15 08:02:43 |
| report.css | 2767 | 2023-05-15 08:02:43 |
| Show.js | 1085 | 2023-05-15 08:02:43 |
| svt-20230331.xsd | 34032 | 2023-05-15 08:02:43 |
| svt-20230331x10q.htm | 1319863 | 2023-05-15 08:02:43 |
| svt-20230331x10q_htm.xml | 1167773 | 2023-05-15 08:02:43 |
| svt-20230331xex31d1.htm | 13986 | 2023-05-15 08:02:43 |
| svt-20230331xex31d2.htm | 13965 | 2023-05-15 08:02:43 |
| svt-20230331xex32d1.htm | 7214 | 2023-05-15 08:02:43 |
| svt-20230331xex32d2.htm | 7060 | 2023-05-15 08:02:43 |
| svt-20230331_cal.xml | 46437 | 2023-05-15 08:02:43 |
| svt-20230331_def.xml | 114850 | 2023-05-15 08:02:43 |
| svt-20230331_lab.xml | 273211 | 2023-05-15 08:02:43 |
| svt-20230331_pre.xml | 238099 | 2023-05-15 08:02:43 |