Parent Directory| Name | Size | Last Modified |
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| 0001564590-22-016812-index.html | 2022-04-29 16:09:45 | |
| 0001564590-22-016812.txt | 2022-04-29 16:09:45 | |
 0001564590-22-016812-xbrl.zip | 22231 | 2022-04-29 16:09:45 |
| FilingSummary.xml | 1751 | 2022-04-29 16:09:45 |
| Financial_Report.xlsx | 5716 | 2022-04-29 16:09:45 |
| hsto-20220428.xsd | 5601 | 2022-04-29 16:09:45 |
| hsto-20220428_lab.xml | 19324 | 2022-04-29 16:09:45 |
| hsto-20220428_pre.xml | 11495 | 2022-04-29 16:09:45 |
| hsto-8k_20220428.htm | 41273 | 2022-04-29 16:09:45 |
| hsto-8k_20220428_htm.xml | 3547 | 2022-04-29 16:09:45 |
| hsto-ex101_6.htm | 90594 | 2022-04-29 16:09:45 |
| MetaLinks.json | 19132 | 2022-04-29 16:09:45 |
| R1.htm | 40261 | 2022-04-29 16:09:45 |
| report.css | 2767 | 2022-04-29 16:09:45 |
| Show.js | 1084 | 2022-04-29 16:09:45 |