Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001410578-22-001646-index-headers.html | 2022-05-16 16:00:40 | |
| 0001410578-22-001646-index.html | 2022-05-16 16:00:40 | |
| 0001410578-22-001646.txt | 2022-05-16 16:00:40 | |
 0001410578-22-001646-xbrl.zip | 163061 | 2022-05-16 16:00:40 |
| FilingSummary.xml | 26665 | 2022-05-16 16:00:40 |
| Financial_Report.xlsx | 63130 | 2022-05-16 16:00:40 |
| MetaLinks.json | 471407 | 2022-05-16 16:00:40 |
| R1.htm | 52345 | 2022-05-16 16:00:40 |
| R10.htm | 25550 | 2022-05-16 16:00:40 |
| R11.htm | 56823 | 2022-05-16 16:00:40 |
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| R22.htm | 185097 | 2022-05-16 16:00:40 |
| R23.htm | 120213 | 2022-05-16 16:00:40 |
| R24.htm | 14804 | 2022-05-16 16:00:40 |
| R25.htm | 26059 | 2022-05-16 16:00:40 |
| R26.htm | 14987 | 2022-05-16 16:00:40 |
| R27.htm | 19480 | 2022-05-16 16:00:40 |
| R28.htm | 23637 | 2022-05-16 16:00:40 |
| R29.htm | 16789 | 2022-05-16 16:00:40 |
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| R31.htm | 22907 | 2022-05-16 16:00:40 |
| R32.htm | 53150 | 2022-05-16 16:00:40 |
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| R36.htm | 17153 | 2022-05-16 16:00:40 |
| R37.htm | 37019 | 2022-05-16 16:00:40 |
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| R39.htm | 12550 | 2022-05-16 16:00:40 |
| R4.htm | 73531 | 2022-05-16 16:00:40 |
| R40.htm | 6854 | 2022-05-16 16:00:40 |
| R41.htm | 83527 | 2022-05-16 16:00:40 |
| R42.htm | 20244 | 2022-05-16 16:00:40 |
| R5.htm | 28105 | 2022-05-16 16:00:40 |
| R6.htm | 75809 | 2022-05-16 16:00:40 |
| R7.htm | 6884 | 2022-05-16 16:00:40 |
| R8.htm | 26595 | 2022-05-16 16:00:40 |
| R9.htm | 21603 | 2022-05-16 16:00:40 |
| report.css | 2767 | 2022-05-16 16:00:40 |
| Show.js | 1085 | 2022-05-16 16:00:40 |
| svt-20220331.xsd | 31961 | 2022-05-16 16:00:40 |
| svt-20220331x10q.htm | 1343474 | 2022-05-16 16:00:40 |
| svt-20220331x10q_htm.xml | 1151397 | 2022-05-16 16:00:40 |
| svt-20220331xex10d1.htm | 88591 | 2022-05-16 16:00:40 |
| svt-20220331xex10d2.htm | 19136 | 2022-05-16 16:00:40 |
| svt-20220331xex31d1.htm | 13248 | 2022-05-16 16:00:40 |
| svt-20220331xex31d2.htm | 13593 | 2022-05-16 16:00:40 |
| svt-20220331xex32d1.htm | 6380 | 2022-05-16 16:00:40 |
| svt-20220331xex32d2.htm | 6346 | 2022-05-16 16:00:40 |
| svt-20220331_cal.xml | 48919 | 2022-05-16 16:00:40 |
| svt-20220331_def.xml | 121036 | 2022-05-16 16:00:40 |
| svt-20220331_lab.xml | 263918 | 2022-05-16 16:00:40 |
| svt-20220331_pre.xml | 241549 | 2022-05-16 16:00:40 |