Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001674796-23-000012-index.html | 2023-08-11 12:09:15 | |
| 0001674796-23-000012.txt | 2023-08-11 12:09:15 | |
 0001674796-23-000012-xbrl.zip | 34026 | 2023-08-11 12:09:15 |
| exhibit31-1.htm | 8008 | 2023-08-11 12:09:15 |
| exhibit31-2.htm | 8039 | 2023-08-11 12:09:15 |
| exhibit32-1.htm | 3683 | 2023-08-11 12:09:15 |
| exhibit32-2.htm | 3801 | 2023-08-11 12:09:15 |
| FilingSummary.xml | 14584 | 2023-08-11 12:09:15 |
| Financial_Report.xlsx | 25860 | 2023-08-11 12:09:15 |
| hstc-20230630.htm | 215782 | 2023-08-11 12:09:15 |
| hstc-20230630.xsd | 12639 | 2023-08-11 12:09:15 |
| hstc-20230630_cal.xml | 16095 | 2023-08-11 12:09:15 |
| hstc-20230630_def.xml | 18069 | 2023-08-11 12:09:15 |
| hstc-20230630_htm.xml | 71422 | 2023-08-11 12:09:15 |
| hstc-20230630_lab.xml | 77061 | 2023-08-11 12:09:15 |
| hstc-20230630_pre.xml | 62117 | 2023-08-11 12:09:15 |
| MetaLinks.json | 219151 | 2023-08-11 12:09:15 |
| R1.htm | 48330 | 2023-08-11 12:09:15 |
| R10.htm | 5264 | 2023-08-11 12:09:15 |
| R11.htm | 4788 | 2023-08-11 12:09:15 |
| R12.htm | 5203 | 2023-08-11 12:09:15 |
| R13.htm | 6422 | 2023-08-11 12:09:15 |
| R14.htm | 5257 | 2023-08-11 12:09:15 |
| R15.htm | 6216 | 2023-08-11 12:09:15 |
| R16.htm | 7715 | 2023-08-11 12:09:15 |
| R17.htm | 5625 | 2023-08-11 12:09:15 |
| R18.htm | 4739 | 2023-08-11 12:09:15 |
| R19.htm | 14941 | 2023-08-11 12:09:15 |
| R2.htm | 69756 | 2023-08-11 12:09:15 |
| R3.htm | 59487 | 2023-08-11 12:09:15 |
| R4.htm | 31410 | 2023-08-11 12:09:15 |
| R5.htm | 44852 | 2023-08-11 12:09:15 |
| R6.htm | 7803 | 2023-08-11 12:09:15 |
| R7.htm | 10499 | 2023-08-11 12:09:15 |
| R8.htm | 6886 | 2023-08-11 12:09:15 |
| R9.htm | 9625 | 2023-08-11 12:09:15 |
| report.css | 2767 | 2023-08-11 12:09:15 |
| Show.js | 1085 | 2023-08-11 12:09:15 |