Parent Directory| Name | Size | Last Modified |
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| 0001564590-22-019873-index.html | 2022-05-12 16:16:48 | |
| 0001564590-22-019873.txt | 2022-05-12 16:16:48 | |
 0001564590-22-019873-xbrl.zip | 20040 | 2022-05-12 16:16:48 |
| FilingSummary.xml | 1751 | 2022-05-12 16:16:48 |
| Financial_Report.xlsx | 5715 | 2022-05-12 16:16:48 |
 gbh4t2bze5ic000001.jpg | 2088 | 2022-05-12 16:16:48 |
| hsto-20220512.xsd | 5601 | 2022-05-12 16:16:48 |
| hsto-20220512_lab.xml | 19324 | 2022-05-12 16:16:48 |
| hsto-20220512_pre.xml | 11495 | 2022-05-12 16:16:48 |
| hsto-8k_20220512.htm | 39803 | 2022-05-12 16:16:48 |
| hsto-8k_20220512_htm.xml | 3547 | 2022-05-12 16:16:48 |
| hsto-ex991_6.htm | 241895 | 2022-05-12 16:16:48 |
| MetaLinks.json | 19132 | 2022-05-12 16:16:48 |
| R1.htm | 40259 | 2022-05-12 16:16:48 |
| report.css | 2767 | 2022-05-12 16:16:48 |
| Show.js | 1085 | 2022-05-12 16:16:48 |