Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001674796-23-000009-index-headers.html | 2023-05-12 12:41:58 | |
| 0001674796-23-000009-index.html | 2023-05-12 12:41:58 | |
| 0001674796-23-000009.txt | 2023-05-12 12:41:58 | |
 0001674796-23-000009-xbrl.zip | 32357 | 2023-05-12 12:41:58 |
| exhibit31-1.htm | 8006 | 2023-05-12 12:41:58 |
| exhibit31-2.htm | 8013 | 2023-05-12 12:41:58 |
| exhibit32-1.htm | 3682 | 2023-05-12 12:41:58 |
| exhibit32-2.htm | 3799 | 2023-05-12 12:41:58 |
| FilingSummary.xml | 15372 | 2023-05-12 12:41:58 |
| Financial_Report.xlsx | 25206 | 2023-05-12 12:41:58 |
| hstc-20230331.htm | 181406 | 2023-05-12 12:41:58 |
| hstc-20230331.xsd | 12246 | 2023-05-12 12:41:58 |
| hstc-20230331_cal.xml | 16056 | 2023-05-12 12:41:58 |
| hstc-20230331_def.xml | 18183 | 2023-05-12 12:41:58 |
| hstc-20230331_htm.xml | 59722 | 2023-05-12 12:41:58 |
| hstc-20230331_lab.xml | 77539 | 2023-05-12 12:41:58 |
| hstc-20230331_pre.xml | 63250 | 2023-05-12 12:41:58 |
| MetaLinks.json | 186873 | 2023-05-12 12:41:58 |
| R1.htm | 48330 | 2023-05-12 12:41:58 |
| R10.htm | 5307 | 2023-05-12 12:41:58 |
| R11.htm | 4780 | 2023-05-12 12:41:58 |
| R12.htm | 4933 | 2023-05-12 12:41:58 |
| R13.htm | 6525 | 2023-05-12 12:41:58 |
| R14.htm | 5580 | 2023-05-12 12:41:58 |
| R15.htm | 6241 | 2023-05-12 12:41:58 |
| R16.htm | 5252 | 2023-05-12 12:41:58 |
| R17.htm | 5657 | 2023-05-12 12:41:58 |
| R18.htm | 4719 | 2023-05-12 12:41:58 |
| R19.htm | 15007 | 2023-05-12 12:41:58 |
| R2.htm | 72159 | 2023-05-12 12:41:58 |
| R3.htm | 52956 | 2023-05-12 12:41:58 |
| R4.htm | 19648 | 2023-05-12 12:41:58 |
| R5.htm | 43139 | 2023-05-12 12:41:58 |
| R6.htm | 7811 | 2023-05-12 12:41:58 |
| R7.htm | 10510 | 2023-05-12 12:41:58 |
| R8.htm | 6869 | 2023-05-12 12:41:58 |
| R9.htm | 7331 | 2023-05-12 12:41:58 |
| report.css | 2767 | 2023-05-12 12:41:58 |
| Show.js | 1085 | 2023-05-12 12:41:58 |