Parent Directory| Name | Size | Last Modified |
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| 0001564590-22-005231-index.html | 2022-02-15 16:37:49 | |
| 0001564590-22-005231.txt | 2022-02-15 16:37:49 | |
 0001564590-22-005231-xbrl.zip | 9412 | 2022-02-15 16:37:49 |
| FilingSummary.xml | 1722 | 2022-02-15 16:37:49 |
| Financial_Report.xlsx | 5713 | 2022-02-15 16:37:49 |
| hsto-20220214.xsd | 5705 | 2022-02-15 16:37:49 |
| hsto-20220214_lab.xml | 19422 | 2022-02-15 16:37:49 |
| hsto-20220214_pre.xml | 11591 | 2022-02-15 16:37:49 |
| hsto-8k_20220214.htm | 35963 | 2022-02-15 16:37:49 |
| hsto-8k_20220214_htm.xml | 3549 | 2022-02-15 16:37:49 |
| MetaLinks.json | 19219 | 2022-02-15 16:37:49 |
| R1.htm | 40121 | 2022-02-15 16:37:49 |
| report.css | 2766 | 2022-02-15 16:37:49 |
| Show.js | 1084 | 2022-02-15 16:37:49 |