Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001759631-21-000040-index-headers.html | 2021-08-16 08:35:44 | |
| 0001759631-21-000040-index.html | 2021-08-16 08:35:44 | |
| 0001759631-21-000040.txt | 2021-08-16 08:35:44 | |
 0001759631-21-000040-xbrl.zip | 13163 | 2021-08-16 08:35:44 |
| FilingSummary.xml | 1593 | 2021-08-16 08:35:44 |
| Financial_Report.xlsx | 5695 | 2021-08-16 08:35:44 |
| hyln-20210810.htm | 43762 | 2021-08-16 08:35:44 |
| hyln-20210810.xsd | 1899 | 2021-08-16 08:35:44 |
| hyln-20210810_htm.xml | 11382 | 2021-08-16 08:35:44 |
| hyln-20210810_lab.xml | 24831 | 2021-08-16 08:35:44 |
| hyln-20210810_pre.xml | 13041 | 2021-08-16 08:35:44 |
| MetaLinks.json | 17387 | 2021-08-16 08:35:44 |
| R1.htm | 40344 | 2021-08-16 08:35:44 |
| report.css | 2766 | 2021-08-16 08:35:44 |
| Show.js | 1084 | 2021-08-16 08:35:44 |