Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001096906-22-001521-index-headers.html | 2022-06-29 17:03:22 | |
| 0001096906-22-001521-index.html | 2022-06-29 17:03:22 | |
| 0001096906-22-001521.txt | 2022-06-29 17:03:22 | |
 0001096906-22-001521-xbrl.zip | 7550 | 2022-06-29 17:03:22 |
| FilingSummary.xml | 1729 | 2022-06-29 17:03:22 |
| Financial_Report.xlsx | 5579 | 2022-06-29 17:03:22 |
| hyex-20220624.htm | 16440 | 2022-06-29 17:03:22 |
| hyex-20220624.xsd | 2374 | 2022-06-29 17:03:22 |
| hyex-20220624_def.xml | 1809 | 2022-06-29 17:03:22 |
| hyex-20220624_htm.xml | 2331 | 2022-06-29 17:03:22 |
| hyex-20220624_lab.xml | 13345 | 2022-06-29 17:03:22 |
| hyex-20220624_pre.xml | 8638 | 2022-06-29 17:03:22 |
| MetaLinks.json | 15504 | 2022-06-29 17:03:22 |
| R1.htm | 33622 | 2022-06-29 17:03:22 |
| report.css | 2767 | 2022-06-29 17:03:22 |
| Show.js | 1084 | 2022-06-29 17:03:22 |