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|---|---|---|
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| 0000950170-23-009521-index.html | 2023-03-23 16:31:55 | |
| 0000950170-23-009521.txt | 2023-03-23 16:31:55 | |
 0000950170-23-009521-xbrl.zip | 499111 | 2023-03-23 16:31:55 |
| ear-20221231.htm | 4499141 | 2023-03-23 16:31:55 |
| ear-20221231.xsd | 72926 | 2023-03-23 16:31:55 |
| ear-20221231_cal.xml | 77774 | 2023-03-23 16:31:55 |
| ear-20221231_def.xml | 315788 | 2023-03-23 16:31:55 |
| ear-20221231_htm.xml | 2440202 | 2023-03-23 16:31:55 |
| ear-20221231_lab.xml | 671410 | 2023-03-23 16:31:55 |
| ear-20221231_pre.xml | 516483 | 2023-03-23 16:31:55 |
| ear-ex10_3a.htm | 237352 | 2023-03-23 16:31:55 |
| ear-ex10_4.htm | 178205 | 2023-03-23 16:31:55 |
| ear-ex10_9.htm | 200484 | 2023-03-23 16:31:55 |
| ear-ex21_1.htm | 5487 | 2023-03-23 16:31:55 |
| ear-ex23_1.htm | 3814 | 2023-03-23 16:31:55 |
| ear-ex31_1.htm | 23077 | 2023-03-23 16:31:55 |
| ear-ex31_2.htm | 23049 | 2023-03-23 16:31:55 |
| ear-ex32_1.htm | 14070 | 2023-03-23 16:31:55 |
| ear-ex32_2.htm | 14046 | 2023-03-23 16:31:55 |
| ear-ex4_3.htm | 65948 | 2023-03-23 16:31:55 |
| FilingSummary.xml | 43285 | 2023-03-23 16:31:55 |
| Financial_Report.xlsx | 122241 | 2023-03-23 16:31:55 |
| MetaLinks.json | 1007398 | 2023-03-23 16:31:55 |
| R1.htm | 70225 | 2023-03-23 16:31:55 |
| R10.htm | 25635 | 2023-03-23 16:31:55 |
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| R2.htm | 95454 | 2023-03-23 16:31:55 |
| R20.htm | 140791 | 2023-03-23 16:31:55 |
| R21.htm | 21307 | 2023-03-23 16:31:55 |
| R22.htm | 252396 | 2023-03-23 16:31:55 |
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| R27.htm | 174715 | 2023-03-23 16:31:55 |
| R28.htm | 215268 | 2023-03-23 16:31:55 |
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| R3.htm | 19390 | 2023-03-23 16:31:55 |
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| report.css | 2767 | 2023-03-23 16:31:55 |
| Show.js | 1085 | 2023-03-23 16:31:55 |