Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000929638-21-001030-index-headers.html | 2021-08-23 08:10:18 | |
| 0000929638-21-001030-index.html | 2021-08-23 08:10:18 | |
| 0000929638-21-001030.txt | 2021-08-23 08:10:18 | |
 0000929638-21-001030-xbrl.zip | 16169 | 2021-08-23 08:10:18 |
| ab8k.htm | 33453 | 2021-08-23 08:10:18 |
| ab8k_htm.xml | 4068 | 2021-08-23 08:10:18 |
 bottomlogo.jpg | 15334 | 2021-08-23 08:10:18 |
| exhibit99-1.htm | 12291 | 2021-08-23 08:10:18 |
| exhibit99-2.htm | 5327 | 2021-08-23 08:10:18 |
| FilingSummary.xml | 1711 | 2021-08-23 08:10:18 |
| Financial_Report.xlsx | 5681 | 2021-08-23 08:10:18 |
| hear-20210823.xsd | 3947 | 2021-08-23 08:10:18 |
| hear-20210823_lab.xml | 22544 | 2021-08-23 08:10:18 |
| hear-20210823_pre.xml | 16058 | 2021-08-23 08:10:18 |
 keitelsignature.jpg | 7498 | 2021-08-23 08:10:18 |
 logo.jpg | 57221 | 2021-08-23 08:10:18 |
| MetaLinks.json | 20386 | 2021-08-23 08:10:18 |
| R1.htm | 38599 | 2021-08-23 08:10:18 |
| report.css | 2767 | 2021-08-23 08:10:18 |
| Show.js | 1085 | 2021-08-23 08:10:18 |