Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000045876-20-000101-index-headers.html | 2020-05-08 11:36:58 | |
| 0000045876-20-000101-index.html | 2020-05-08 11:36:58 | |
| 0000045876-20-000101.txt | 2020-05-08 11:36:58 | |
 0000045876-20-000101-xbrl.zip | 412397 | 2020-05-08 11:36:58 |
| FilingSummary.xml | 51207 | 2020-05-08 11:36:58 |
| Financial_Report.xlsx | 103851 | 2020-05-08 11:36:58 |
| hsc-0331202010q.htm | 2346425 | 2020-05-08 11:36:58 |
| hsc-0331202010q_htm.xml | 2900464 | 2020-05-08 11:36:58 |
| hsc-20200331.xsd | 73293 | 2020-05-08 11:36:58 |
| hsc-20200331_cal.xml | 142227 | 2020-05-08 11:36:58 |
| hsc-20200331_def.xml | 415917 | 2020-05-08 11:36:58 |
| hsc-20200331_lab.xml | 988238 | 2020-05-08 11:36:58 |
| hsc-20200331_pre.xml | 618881 | 2020-05-08 11:36:58 |
| hsc-ex10203312020.htm | 168619 | 2020-05-08 11:36:58 |
| hsc-ex10303312020.htm | 200188 | 2020-05-08 11:36:58 |
| hsc-ex10403312020.htm | 156796 | 2020-05-08 11:36:58 |
| hsc-ex222020.htm | 26570 | 2020-05-08 11:36:58 |
| hsc-ex3112020q1.htm | 12631 | 2020-05-08 11:36:58 |
| hsc-ex3122020q1.htm | 12034 | 2020-05-08 11:36:58 |
| hsc-ex322020q1.htm | 6815 | 2020-05-08 11:36:58 |
 image0a48.jpg | 4194 | 2020-05-08 11:36:58 |
| MetaLinks.json | 848721 | 2020-05-08 11:36:58 |
| R1.htm | 52208 | 2020-05-08 11:36:58 |
| R10.htm | 10617 | 2020-05-08 11:36:58 |
| R11.htm | 111045 | 2020-05-08 11:36:58 |
| R12.htm | 30833 | 2020-05-08 11:36:58 |
| R13.htm | 19108 | 2020-05-08 11:36:58 |
| R14.htm | 21087 | 2020-05-08 11:36:58 |
| R15.htm | 158241 | 2020-05-08 11:36:58 |
| R16.htm | 70843 | 2020-05-08 11:36:58 |
| R17.htm | 8870 | 2020-05-08 11:36:58 |
| R18.htm | 43704 | 2020-05-08 11:36:58 |
| R19.htm | 7198 | 2020-05-08 11:36:58 |
| R2.htm | 122002 | 2020-05-08 11:36:58 |
| R20.htm | 33379 | 2020-05-08 11:36:58 |
| R21.htm | 30694 | 2020-05-08 11:36:58 |
| R22.htm | 144221 | 2020-05-08 11:36:58 |
| R23.htm | 67339 | 2020-05-08 11:36:58 |
| R24.htm | 165485 | 2020-05-08 11:36:58 |
| R25.htm | 20056 | 2020-05-08 11:36:58 |
| R26.htm | 122175 | 2020-05-08 11:36:58 |
| R27.htm | 14434 | 2020-05-08 11:36:58 |
| R28.htm | 115657 | 2020-05-08 11:36:58 |
| R29.htm | 51922 | 2020-05-08 11:36:58 |
| R3.htm | 110671 | 2020-05-08 11:36:58 |
| R30.htm | 16758 | 2020-05-08 11:36:58 |
| R31.htm | 21246 | 2020-05-08 11:36:58 |
| R32.htm | 125279 | 2020-05-08 11:36:58 |
| R33.htm | 75590 | 2020-05-08 11:36:58 |
| R34.htm | 44841 | 2020-05-08 11:36:58 |
| R35.htm | 32445 | 2020-05-08 11:36:58 |
| R36.htm | 131466 | 2020-05-08 11:36:58 |
| R37.htm | 70413 | 2020-05-08 11:36:58 |
| R38.htm | 156796 | 2020-05-08 11:36:58 |
| R39.htm | 20616 | 2020-05-08 11:36:58 |
| R4.htm | 32339 | 2020-05-08 11:36:58 |
| R40.htm | 123525 | 2020-05-08 11:36:58 |
| R41.htm | 28499 | 2020-05-08 11:36:58 |
| R42.htm | 83966 | 2020-05-08 11:36:58 |
| R43.htm | 27524 | 2020-05-08 11:36:58 |
| R44.htm | 16835 | 2020-05-08 11:36:58 |
| R45.htm | 23620 | 2020-05-08 11:36:58 |
| R46.htm | 23279 | 2020-05-08 11:36:58 |
| R47.htm | 10552 | 2020-05-08 11:36:58 |
| R48.htm | 15966 | 2020-05-08 11:36:58 |
| R49.htm | 17155 | 2020-05-08 11:36:58 |
| R5.htm | 13224 | 2020-05-08 11:36:58 |
| R50.htm | 4810 | 2020-05-08 11:36:58 |
| R51.htm | 7417 | 2020-05-08 11:36:58 |
| R52.htm | 16109 | 2020-05-08 11:36:58 |
| R53.htm | 14826 | 2020-05-08 11:36:58 |
| R54.htm | 20898 | 2020-05-08 11:36:58 |
| R55.htm | 8873 | 2020-05-08 11:36:58 |
| R56.htm | 18249 | 2020-05-08 11:36:58 |
| R57.htm | 13904 | 2020-05-08 11:36:58 |
| R58.htm | 15887 | 2020-05-08 11:36:58 |
| R59.htm | 11857 | 2020-05-08 11:36:58 |
| R6.htm | 99299 | 2020-05-08 11:36:58 |
| R60.htm | 39911 | 2020-05-08 11:36:58 |
| R61.htm | 17345 | 2020-05-08 11:36:58 |
| R62.htm | 41015 | 2020-05-08 11:36:58 |
| R63.htm | 21514 | 2020-05-08 11:36:58 |
| R64.htm | 35025 | 2020-05-08 11:36:58 |
| R65.htm | 9383 | 2020-05-08 11:36:58 |
| R66.htm | 84032 | 2020-05-08 11:36:58 |
| R67.htm | 23221 | 2020-05-08 11:36:58 |
| R68.htm | 11621 | 2020-05-08 11:36:58 |
| R69.htm | 31890 | 2020-05-08 11:36:58 |
| R7.htm | 31890 | 2020-05-08 11:36:58 |
| R70.htm | 36413 | 2020-05-08 11:36:58 |
| R71.htm | 29988 | 2020-05-08 11:36:58 |
| R72.htm | 48923 | 2020-05-08 11:36:58 |
| R73.htm | 36770 | 2020-05-08 11:36:58 |
| R74.htm | 98286 | 2020-05-08 11:36:58 |
| R75.htm | 9881 | 2020-05-08 11:36:58 |
| R76.htm | 31116 | 2020-05-08 11:36:58 |
| R77.htm | 8066 | 2020-05-08 11:36:58 |
| R78.htm | 18304 | 2020-05-08 11:36:58 |
| R79.htm | 50843 | 2020-05-08 11:36:58 |
| R8.htm | 14279 | 2020-05-08 11:36:58 |
| R80.htm | 47153 | 2020-05-08 11:36:58 |
| R81.htm | 6123 | 2020-05-08 11:36:58 |
| R9.htm | 8751 | 2020-05-08 11:36:58 |
| R9999.htm | 4952 | 2020-05-08 11:36:58 |
| report.css | 2767 | 2020-05-08 11:36:58 |
| Show.js | 1085 | 2020-05-08 11:36:58 |