Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-24-018764-index-headers.html | 2024-02-22 16:10:13 | |
| 0000950170-24-018764-index.html | 2024-02-22 16:10:13 | |
| 0000950170-24-018764.txt | 2024-02-22 16:10:13 | |
 0000950170-24-018764-xbrl.zip | 64872 | 2024-02-22 16:10:13 |
| atha-20240221.htm | 53029 | 2024-02-22 16:10:13 |
| atha-20240221.xsd | 26990 | 2024-02-22 16:10:13 |
| atha-20240221_htm.xml | 4888 | 2024-02-22 16:10:13 |
| atha-ex10_1.htm | 410963 | 2024-02-22 16:10:13 |
| atha-ex99_1.htm | 147150 | 2024-02-22 16:10:13 |
| FilingSummary.xml | 1657 | 2024-02-22 16:10:13 |
| Financial_Report.xlsx | 5764 | 2024-02-22 16:10:13 |
 img247042425_0.jpg | 18091 | 2024-02-22 16:10:13 |
| MetaLinks.json | 18588 | 2024-02-22 16:10:13 |
| R1.htm | 41396 | 2024-02-22 16:10:13 |
| report.css | 2767 | 2024-02-22 16:10:13 |
| Show.js | 1084 | 2024-02-22 16:10:13 |