Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001840292-22-000011-index-headers.html | 2022-05-23 07:05:54 | |
| 0001840292-22-000011-index.html | 2022-05-23 07:05:54 | |
| 0001840292-22-000011.txt | 2022-05-23 07:05:54 | |
 0001840292-22-000011-xbrl.zip | 22970 | 2022-05-23 07:05:54 |
| ex991hlgn20220331-earnings.htm | 89918 | 2022-05-23 07:05:54 |
| FilingSummary.xml | 1683 | 2022-05-23 07:05:54 |
| Financial_Report.xlsx | 5816 | 2022-05-23 07:05:54 |
| hlg-20220523.htm | 38880 | 2022-05-23 07:05:54 |
| hlg-20220523.xsd | 2288 | 2022-05-23 07:05:54 |
| hlg-20220523_def.xml | 16123 | 2022-05-23 07:05:54 |
| hlg-20220523_htm.xml | 14580 | 2022-05-23 07:05:54 |
| hlg-20220523_lab.xml | 30927 | 2022-05-23 07:05:54 |
| hlg-20220523_pre.xml | 16814 | 2022-05-23 07:05:54 |
| MetaLinks.json | 20824 | 2022-05-23 07:05:54 |
| R1.htm | 44709 | 2022-05-23 07:05:54 |
| report.css | 2767 | 2022-05-23 07:05:54 |
| Show.js | 1085 | 2022-05-23 07:05:54 |