Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-008967-index-headers.html | 2022-05-10 16:08:51 | |
| 0000950170-22-008967-index.html | 2022-05-10 16:08:51 | |
| 0000950170-22-008967.txt | 2022-05-10 16:08:51 | |
 0000950170-22-008967-xbrl.zip | 30239 | 2022-05-10 16:08:51 |
| FilingSummary.xml | 1778 | 2022-05-10 16:08:51 |
| Financial_Report.xlsx | 5771 | 2022-05-10 16:08:51 |
 img169022213_0.jpg | 2577 | 2022-05-10 16:08:51 |
| MetaLinks.json | 19061 | 2022-05-10 16:08:51 |
| R1.htm | 43664 | 2022-05-10 16:08:51 |
| report.css | 2767 | 2022-05-10 16:08:51 |
| sght-20220510.htm | 57118 | 2022-05-10 16:08:51 |
| sght-20220510.xsd | 2510 | 2022-05-10 16:08:51 |
| sght-20220510_htm.xml | 5105 | 2022-05-10 16:08:51 |
| sght-20220510_lab.xml | 14668 | 2022-05-10 16:08:51 |
| sght-20220510_pre.xml | 10791 | 2022-05-10 16:08:51 |
| sght-ex99_1.htm | 225511 | 2022-05-10 16:08:51 |
| sght-ex99_2.htm | 36862 | 2022-05-10 16:08:51 |
 sght-ex99_2s1.jpg | 43183 | 2022-05-10 16:08:51 |
 sght-ex99_2s10.jpg | 67727 | 2022-05-10 16:08:51 |
 sght-ex99_2s11.jpg | 75953 | 2022-05-10 16:08:51 |
 sght-ex99_2s12.jpg | 74485 | 2022-05-10 16:08:51 |
 sght-ex99_2s13.jpg | 76628 | 2022-05-10 16:08:51 |
 sght-ex99_2s14.jpg | 95206 | 2022-05-10 16:08:51 |
 sght-ex99_2s15.jpg | 83414 | 2022-05-10 16:08:51 |
 sght-ex99_2s16.jpg | 66493 | 2022-05-10 16:08:51 |
 sght-ex99_2s17.jpg | 32466 | 2022-05-10 16:08:51 |
 sght-ex99_2s18.jpg | 64098 | 2022-05-10 16:08:51 |
 sght-ex99_2s19.jpg | 72391 | 2022-05-10 16:08:51 |
 sght-ex99_2s2.jpg | 130764 | 2022-05-10 16:08:51 |
 sght-ex99_2s20.jpg | 77310 | 2022-05-10 16:08:51 |
 sght-ex99_2s21.jpg | 91736 | 2022-05-10 16:08:51 |
 sght-ex99_2s22.jpg | 83542 | 2022-05-10 16:08:51 |
 sght-ex99_2s23.jpg | 53172 | 2022-05-10 16:08:51 |
 sght-ex99_2s24.jpg | 84680 | 2022-05-10 16:08:51 |
 sght-ex99_2s25.jpg | 39102 | 2022-05-10 16:08:51 |
 sght-ex99_2s26.jpg | 59940 | 2022-05-10 16:08:51 |
 sght-ex99_2s27.jpg | 82056 | 2022-05-10 16:08:51 |
 sght-ex99_2s28.jpg | 47062 | 2022-05-10 16:08:51 |
 sght-ex99_2s29.jpg | 63467 | 2022-05-10 16:08:51 |
 sght-ex99_2s3.jpg | 68848 | 2022-05-10 16:08:51 |
 sght-ex99_2s30.jpg | 49667 | 2022-05-10 16:08:51 |
 sght-ex99_2s31.jpg | 37595 | 2022-05-10 16:08:51 |
 sght-ex99_2s32.jpg | 61427 | 2022-05-10 16:08:51 |
 sght-ex99_2s33.jpg | 34688 | 2022-05-10 16:08:51 |
 sght-ex99_2s34.jpg | 62583 | 2022-05-10 16:08:51 |
 sght-ex99_2s35.jpg | 74797 | 2022-05-10 16:08:51 |
 sght-ex99_2s4.jpg | 91576 | 2022-05-10 16:08:51 |
 sght-ex99_2s5.jpg | 83025 | 2022-05-10 16:08:51 |
 sght-ex99_2s6.jpg | 41682 | 2022-05-10 16:08:51 |
 sght-ex99_2s7.jpg | 100127 | 2022-05-10 16:08:51 |
 sght-ex99_2s8.jpg | 88745 | 2022-05-10 16:08:51 |
 sght-ex99_2s9.jpg | 67910 | 2022-05-10 16:08:51 |
| Show.js | 1085 | 2022-05-10 16:08:51 |