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|---|---|---|
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| 0001674796-24-000003-index.html | 2024-04-05 16:16:56 | |
| 0001674796-24-000003.txt | 2024-04-05 16:16:56 | |
 0001674796-24-000003-xbrl.zip | 50944 | 2024-04-05 16:16:56 |
| exhibit31-1.htm | 7984 | 2024-04-05 16:16:56 |
| exhibit31-2.htm | 7974 | 2024-04-05 16:16:56 |
| exhibit32-1.htm | 3657 | 2024-04-05 16:16:56 |
| exhibit32-2.htm | 3774 | 2024-04-05 16:16:56 |
| FilingSummary.xml | 23540 | 2024-04-05 16:16:56 |
| Financial_Report.xlsx | 39054 | 2024-04-05 16:16:56 |
| hstc-20231231.htm | 259191 | 2024-04-05 16:16:56 |
| hstc-20231231.xsd | 19884 | 2024-04-05 16:16:56 |
| hstc-20231231_cal.xml | 14334 | 2024-04-05 16:16:56 |
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| hstc-20231231_htm.xml | 97024 | 2024-04-05 16:16:56 |
| hstc-20231231_lab.xml | 94341 | 2024-04-05 16:16:56 |
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| R1.htm | 55282 | 2024-04-05 16:16:56 |
| R10.htm | 14484 | 2024-04-05 16:16:56 |
| R11.htm | 6938 | 2024-04-05 16:16:56 |
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| R13.htm | 9894 | 2024-04-05 16:16:56 |
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| R19.htm | 5198 | 2024-04-05 16:16:56 |
| R2.htm | 73513 | 2024-04-05 16:16:56 |
| R20.htm | 6487 | 2024-04-05 16:16:56 |
| R21.htm | 5289 | 2024-04-05 16:16:56 |
| R22.htm | 8287 | 2024-04-05 16:16:56 |
| R23.htm | 6527 | 2024-04-05 16:16:56 |
| R24.htm | 7772 | 2024-04-05 16:16:56 |
| R25.htm | 6692 | 2024-04-05 16:16:56 |
| R26.htm | 4752 | 2024-04-05 16:16:56 |
| R27.htm | 15484 | 2024-04-05 16:16:56 |
| R28.htm | 9726 | 2024-04-05 16:16:56 |
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| R3.htm | 16564 | 2024-04-05 16:16:56 |
| R30.htm | 4181 | 2024-04-05 16:16:56 |
| R31.htm | 5766 | 2024-04-05 16:16:56 |
| R32.htm | 11479 | 2024-04-05 16:16:56 |
| R33.htm | 10171 | 2024-04-05 16:16:56 |
| R4.htm | 51724 | 2024-04-05 16:16:56 |
| R5.htm | 19794 | 2024-04-05 16:16:56 |
| R6.htm | 44036 | 2024-04-05 16:16:56 |
| R7.htm | 6258 | 2024-04-05 16:16:56 |
| R8.htm | 4372 | 2024-04-05 16:16:56 |
| R9.htm | 6957 | 2024-04-05 16:16:56 |
| report.css | 2767 | 2024-04-05 16:16:56 |
| Show.js | 1085 | 2024-04-05 16:16:56 |