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| 0001674796-23-000015-index.html | 2023-11-06 18:40:01 | |
| 0001674796-23-000015.txt | 2023-11-06 18:40:01 | |
 0001674796-23-000015-xbrl.zip | 34674 | 2023-11-06 18:40:01 |
| exhibit31-1.htm | 8014 | 2023-11-06 18:40:01 |
| exhibit31-2.htm | 8045 | 2023-11-06 18:40:01 |
| exhibit32-1.htm | 3714 | 2023-11-06 18:40:01 |
| exhibit32-2.htm | 3807 | 2023-11-06 18:40:01 |
| FilingSummary.xml | 13026 | 2023-11-06 18:40:01 |
| Financial_Report.xlsx | 26371 | 2023-11-06 18:40:01 |
| hstc-20230930.htm | 230723 | 2023-11-06 18:40:01 |
| hstc-20230930.xsd | 12639 | 2023-11-06 18:40:01 |
| hstc-20230930_cal.xml | 16095 | 2023-11-06 18:40:01 |
| hstc-20230930_def.xml | 18480 | 2023-11-06 18:40:01 |
| hstc-20230930_htm.xml | 78174 | 2023-11-06 18:40:01 |
| hstc-20230930_lab.xml | 77854 | 2023-11-06 18:40:01 |
| hstc-20230930_pre.xml | 62590 | 2023-11-06 18:40:01 |
| MetaLinks.json | 220086 | 2023-11-06 18:40:01 |
| R1.htm | 48330 | 2023-11-06 18:40:01 |
| R10.htm | 5264 | 2023-11-06 18:40:01 |
| R11.htm | 4788 | 2023-11-06 18:40:01 |
| R12.htm | 5203 | 2023-11-06 18:40:01 |
| R13.htm | 6422 | 2023-11-06 18:40:01 |
| R14.htm | 5257 | 2023-11-06 18:40:01 |
| R15.htm | 6214 | 2023-11-06 18:40:01 |
| R16.htm | 7720 | 2023-11-06 18:40:01 |
| R17.htm | 5626 | 2023-11-06 18:40:01 |
| R18.htm | 4739 | 2023-11-06 18:40:01 |
| R19.htm | 14949 | 2023-11-06 18:40:01 |
| R2.htm | 69766 | 2023-11-06 18:40:01 |
| R3.htm | 59499 | 2023-11-06 18:40:01 |
| R4.htm | 38563 | 2023-11-06 18:40:01 |
| R5.htm | 44853 | 2023-11-06 18:40:01 |
| R6.htm | 8162 | 2023-11-06 18:40:01 |
| R7.htm | 10503 | 2023-11-06 18:40:01 |
| R8.htm | 6886 | 2023-11-06 18:40:01 |
| R9.htm | 9637 | 2023-11-06 18:40:01 |
| report.css | 2767 | 2023-11-06 18:40:01 |
| Show.js | 1085 | 2023-11-06 18:40:01 |