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| 0000045876-23-000029-index.html | 2023-06-08 17:19:43 | |
| 0000045876-23-000029.txt | 2023-06-08 17:19:43 | |
 0000045876-23-000029-xbrl.zip | 41033 | 2023-06-08 17:19:43 |
| exhibit31-certificateofame.htm | 1262 | 2023-06-08 17:19:43 |
| exhibit32-amendedandrestat.htm | 164623 | 2023-06-08 17:19:43 |
| exhibit991pressreleaseofth.htm | 9518 | 2023-06-08 17:19:43 |
| FilingSummary.xml | 1755 | 2023-06-08 17:19:43 |
| Financial_Report.xlsx | 5738 | 2023-06-08 17:19:43 |
| hsc-20230605.htm | 50094 | 2023-06-08 17:19:43 |
| hsc-20230605.xsd | 1908 | 2023-06-08 17:19:43 |
| hsc-20230605_htm.xml | 11930 | 2023-06-08 17:19:43 |
| hsc-20230605_lab.xml | 26347 | 2023-06-08 17:19:43 |
| hsc-20230605_pre.xml | 13846 | 2023-06-08 17:19:43 |
| MetaLinks.json | 18333 | 2023-06-08 17:19:43 |
 prheadera.jpg | 39833 | 2023-06-08 17:19:43 |
| R1.htm | 39640 | 2023-06-08 17:19:43 |
| report.css | 2767 | 2023-06-08 17:19:43 |
| Show.js | 1085 | 2023-06-08 17:19:43 |