Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950142-23-001445-index-headers.html | 2023-05-15 09:18:23 | |
| 0000950142-23-001445-index.html | 2023-05-15 09:18:23 | |
| 0000950142-23-001445.txt | 2023-05-15 09:18:23 | |
 0000950142-23-001445-xbrl.zip | 20688 | 2023-05-15 09:18:23 |
| eh230358705_8k.htm | 26040 | 2023-05-15 09:18:23 |
| eh230358705_8k_htm.xml | 5297 | 2023-05-15 09:18:23 |
| eh230358705_ex9901.htm | 21082 | 2023-05-15 09:18:23 |
| FilingSummary.xml | 1677 | 2023-05-15 09:18:23 |
| Financial_Report.xlsx | 5731 | 2023-05-15 09:18:23 |
| hei-20230515.xsd | 3946 | 2023-05-15 09:18:23 |
| hei-20230515_def.xml | 26585 | 2023-05-15 09:18:23 |
| hei-20230515_lab.xml | 36655 | 2023-05-15 09:18:23 |
| hei-20230515_pre.xml | 25209 | 2023-05-15 09:18:23 |
| MetaLinks.json | 41338 | 2023-05-15 09:18:23 |
| R1.htm | 40109 | 2023-05-15 09:18:23 |
| report.css | 2767 | 2023-05-15 09:18:23 |
| Show.js | 1085 | 2023-05-15 09:18:23 |