Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001674796-20-000035-index-headers.html | 2020-11-13 14:38:23 | |
| 0001674796-20-000035-index.html | 2020-11-13 14:38:23 | |
| 0001674796-20-000035.txt | 2020-11-13 14:38:23 | |
 0001674796-20-000035-xbrl.zip | 37670 | 2020-11-13 14:38:23 |
| exhibit31-1.htm | 8038 | 2020-11-13 14:38:23 |
| exhibit31-2.htm | 8004 | 2020-11-13 14:38:23 |
| exhibit32-1.htm | 3691 | 2020-11-13 14:38:23 |
| exhibit32-2.htm | 3808 | 2020-11-13 14:38:23 |
| FilingSummary.xml | 14050 | 2020-11-13 14:38:23 |
| Financial_Report.xlsx | 27836 | 2020-11-13 14:38:23 |
| hstc-20200930.htm | 241845 | 2020-11-13 14:38:23 |
| hstc-20200930.xsd | 13812 | 2020-11-13 14:38:23 |
| hstc-20200930_cal.xml | 18284 | 2020-11-13 14:38:23 |
| hstc-20200930_def.xml | 19690 | 2020-11-13 14:38:23 |
| hstc-20200930_htm.xml | 72347 | 2020-11-13 14:38:23 |
| hstc-20200930_lab.xml | 90033 | 2020-11-13 14:38:23 |
| hstc-20200930_pre.xml | 74246 | 2020-11-13 14:38:23 |
| MetaLinks.json | 183737 | 2020-11-13 14:38:23 |
| R1.htm | 45853 | 2020-11-13 14:38:23 |
| R10.htm | 7652 | 2020-11-13 14:38:23 |
| R11.htm | 5279 | 2020-11-13 14:38:23 |
| R12.htm | 5161 | 2020-11-13 14:38:23 |
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| R18.htm | 5553 | 2020-11-13 14:38:23 |
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| R2.htm | 52642 | 2020-11-13 14:38:23 |
| R20.htm | 4746 | 2020-11-13 14:38:23 |
| R21.htm | 16026 | 2020-11-13 14:38:23 |
| R3.htm | 18891 | 2020-11-13 14:38:23 |
| R4.htm | 50206 | 2020-11-13 14:38:23 |
| R5.htm | 24608 | 2020-11-13 14:38:23 |
| R6.htm | 54542 | 2020-11-13 14:38:23 |
| R7.htm | 7889 | 2020-11-13 14:38:23 |
| R8.htm | 10484 | 2020-11-13 14:38:23 |
| R9.htm | 7068 | 2020-11-13 14:38:23 |
| report.css | 2767 | 2020-11-13 14:38:23 |
| Show.js | 1085 | 2020-11-13 14:38:23 |