Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001674796-18-000020-index-headers.html | 2018-08-10 19:21:25 | |
| 0001674796-18-000020-index.html | 2018-08-10 19:21:25 | |
| 0001674796-18-000020.txt | 2018-08-10 19:21:25 | |
 0001674796-18-000020-xbrl.zip | 32735 | 2018-08-10 19:21:25 |
| exhibit31-1.htm | 8040 | 2018-08-10 19:21:25 |
| exhibit31-2.htm | 8006 | 2018-08-10 19:21:25 |
| exhibit32-1.htm | 3654 | 2018-08-10 19:21:25 |
| exhibit32-2.htm | 3771 | 2018-08-10 19:21:25 |
| FilingSummary.xml | 15588 | 2018-08-10 19:21:25 |
| Financial_Report.xlsx | 25090 | 2018-08-10 19:21:25 |
| hstc-20180630.htm | 178060 | 2018-08-10 19:21:25 |
| hstc-20180630.xsd | 14181 | 2018-08-10 19:21:25 |
| hstc-20180630_cal.xml | 17363 | 2018-08-10 19:21:25 |
| hstc-20180630_def.xml | 14705 | 2018-08-10 19:21:25 |
| hstc-20180630_htm.xml | 55586 | 2018-08-10 19:21:25 |
| hstc-20180630_lab.xml | 74485 | 2018-08-10 19:21:25 |
| hstc-20180630_pre.xml | 64557 | 2018-08-10 19:21:25 |
| MetaLinks.json | 151507 | 2018-08-10 19:21:25 |
| R1.htm | 48345 | 2018-08-10 19:21:25 |
| R10.htm | 6411 | 2018-08-10 19:21:25 |
| R11.htm | 4960 | 2018-08-10 19:21:25 |
| R12.htm | 4860 | 2018-08-10 19:21:25 |
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| R18.htm | 6829 | 2018-08-10 19:21:25 |
| R19.htm | 5778 | 2018-08-10 19:21:25 |
| R2.htm | 48367 | 2018-08-10 19:21:25 |
| R20.htm | 7260 | 2018-08-10 19:21:25 |
| R21.htm | 4749 | 2018-08-10 19:21:25 |
| R22.htm | 7400 | 2018-08-10 19:21:25 |
| R23.htm | 11653 | 2018-08-10 19:21:25 |
| R3.htm | 18887 | 2018-08-10 19:21:25 |
| R4.htm | 34799 | 2018-08-10 19:21:25 |
| R5.htm | 33873 | 2018-08-10 19:21:25 |
| R6.htm | 6674 | 2018-08-10 19:21:25 |
| R7.htm | 12992 | 2018-08-10 19:21:25 |
| R8.htm | 6877 | 2018-08-10 19:21:25 |
| R9.htm | 4176 | 2018-08-10 19:21:25 |
| report.css | 2767 | 2018-08-10 19:21:25 |
| Show.js | 1410 | 2018-08-10 19:21:25 |