Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000045919-25-000019-index-headers.html | 2025-05-14 08:19:35 | |
| 0000045919-25-000019-index.html | 2025-05-14 08:19:35 | |
| 0000045919-25-000019.txt | 2025-05-14 08:19:35 | |
 0000045919-25-000019-xbrl.zip | 6728 | 2025-05-14 08:19:35 |
| FilingSummary.xml | 1555 | 2025-05-14 08:19:35 |
| Financial_Report.xlsx | 5241 | 2025-05-14 08:19:35 |
| hrth-20250514.htm | 55694 | 2025-05-14 08:19:35 |
| hrth-20250514.xsd | 804 | 2025-05-14 08:19:35 |
| hrth-20250514_htm.xml | 950 | 2025-05-14 08:19:35 |
| MetaLinks.json | 93738 | 2025-05-14 08:19:35 |
| R1.htm | 10824 | 2025-05-14 08:19:35 |
| report.css | 2766 | 2025-05-14 08:19:35 |
| Show.js | 1084 | 2025-05-14 08:19:35 |