Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001840292-22-000037-index-headers.html | 2022-11-07 20:53:39 | |
| 0001840292-22-000037-index.html | 2022-11-07 20:53:39 | |
| 0001840292-22-000037.txt | 2022-11-07 20:53:39 | |
 0001840292-22-000037-xbrl.zip | 24609 | 2022-11-07 20:53:39 |
| ex991hlgn20220930-earnings.htm | 131275 | 2022-11-07 20:53:39 |
| FilingSummary.xml | 1685 | 2022-11-07 20:53:39 |
| Financial_Report.xlsx | 5867 | 2022-11-07 20:53:39 |
| hlg-20221107.htm | 38566 | 2022-11-07 20:53:39 |
| hlg-20221107.xsd | 2288 | 2022-11-07 20:53:39 |
| hlg-20221107_def.xml | 16123 | 2022-11-07 20:53:39 |
| hlg-20221107_htm.xml | 14617 | 2022-11-07 20:53:39 |
| hlg-20221107_lab.xml | 30927 | 2022-11-07 20:53:39 |
| hlg-20221107_pre.xml | 16814 | 2022-11-07 20:53:39 |
| MetaLinks.json | 20824 | 2022-11-07 20:53:39 |
| R1.htm | 44011 | 2022-11-07 20:53:39 |
| report.css | 2767 | 2022-11-07 20:53:39 |
| Show.js | 1085 | 2022-11-07 20:53:39 |