Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000045876-21-000081-index-headers.html | 2021-05-04 16:26:33 | |
| 0000045876-21-000081-index.html | 2021-05-04 16:26:33 | |
| 0000045876-21-000081.txt | 2021-05-04 16:26:33 | |
 0000045876-21-000081-xbrl.zip | 11500 | 2021-05-04 16:26:33 |
| FilingSummary.xml | 1681 | 2021-05-04 16:26:33 |
| Financial_Report.xlsx | 5662 | 2021-05-04 16:26:33 |
| hsc-20210504.htm | 33589 | 2021-05-04 16:26:33 |
| hsc-20210504.xsd | 2425 | 2021-05-04 16:26:33 |
| hsc-20210504_cal.xml | 717 | 2021-05-04 16:26:33 |
| hsc-20210504_def.xml | 1654 | 2021-05-04 16:26:33 |
| hsc-20210504_htm.xml | 11240 | 2021-05-04 16:26:33 |
| hsc-20210504_lab.xml | 24275 | 2021-05-04 16:26:33 |
| hsc-20210504_pre.xml | 12653 | 2021-05-04 16:26:33 |
| MetaLinks.json | 17299 | 2021-05-04 16:26:33 |
| R1.htm | 38610 | 2021-05-04 16:26:33 |
| report.css | 2767 | 2021-05-04 16:26:33 |
| Show.js | 1085 | 2021-05-04 16:26:33 |