Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-027557-index-headers.html | 2021-05-13 16:15:36 | |
| 0001564590-21-027557-index.html | 2021-05-13 16:15:36 | |
| 0001564590-21-027557.txt | 2021-05-13 16:15:36 | |
 0001564590-21-027557-xbrl.zip | 21145 | 2021-05-13 16:15:36 |
| FilingSummary.xml | 1746 | 2021-05-13 16:15:36 |
| Financial_Report.xlsx | 5721 | 2021-05-13 16:15:36 |
 gu0t2r1hfv2e000001.jpg | 3598 | 2021-05-13 16:15:36 |
| hsto-20210513.xsd | 5788 | 2021-05-13 16:15:36 |
| hsto-20210513_lab.xml | 19478 | 2021-05-13 16:15:36 |
| hsto-20210513_pre.xml | 11639 | 2021-05-13 16:15:36 |
| hsto-8k_20210513.htm | 38440 | 2021-05-13 16:15:36 |
| hsto-8k_20210513_htm.xml | 3553 | 2021-05-13 16:15:36 |
| hsto-ex991_6.htm | 275566 | 2021-05-13 16:15:36 |
| MetaLinks.json | 19870 | 2021-05-13 16:15:36 |
| R1.htm | 40173 | 2021-05-13 16:15:36 |
| report.css | 2767 | 2021-05-13 16:15:36 |
| Show.js | 1085 | 2021-05-13 16:15:36 |