Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000045876-21-000108-index-headers.html | 2021-05-21 16:19:13 | |
| 0000045876-21-000108-index.html | 2021-05-21 16:19:13 | |
| 0000045876-21-000108.txt | 2021-05-21 16:19:13 | |
 0000045876-21-000108-xbrl.zip | 13728 | 2021-05-21 16:19:13 |
| ex-991xregulationbtrblacko.htm | 6151 | 2021-05-21 16:19:13 |
| FilingSummary.xml | 1654 | 2021-05-21 16:19:13 |
| Financial_Report.xlsx | 5660 | 2021-05-21 16:19:13 |
| hsc-20210518.htm | 39959 | 2021-05-21 16:19:13 |
| hsc-20210518.xsd | 1918 | 2021-05-21 16:19:13 |
| hsc-20210518_htm.xml | 11240 | 2021-05-21 16:19:13 |
| hsc-20210518_lab.xml | 24275 | 2021-05-21 16:19:13 |
| hsc-20210518_pre.xml | 12653 | 2021-05-21 16:19:13 |
 image1.jpg | 31914 | 2021-05-21 16:19:13 |
| MetaLinks.json | 17132 | 2021-05-21 16:19:13 |
| R1.htm | 38609 | 2021-05-21 16:19:13 |
| report.css | 2767 | 2021-05-21 16:19:13 |
| Show.js | 1085 | 2021-05-21 16:19:13 |