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|---|---|---|
 0000950170-22-019592-index-headers.html | 2022-10-17 08:30:55 | |
| 0000950170-22-019592-index.html | 2022-10-17 08:30:55 | |
| 0000950170-22-019592.txt | 2022-10-17 08:30:55 | |
 0000950170-22-019592-xbrl.zip | 20399 | 2022-10-17 08:30:55 |
| atha-20221017.htm | 65869 | 2022-10-17 08:30:55 |
| atha-20221017.xsd | 2446 | 2022-10-17 08:30:55 |
| atha-20221017_htm.xml | 4888 | 2022-10-17 08:30:55 |
| atha-20221017_lab.xml | 13896 | 2022-10-17 08:30:55 |
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| atha-ex99_1.htm | 33942 | 2022-10-17 08:30:55 |
| atha-ex99_2.htm | 15472 | 2022-10-17 08:30:55 |
 atha-ex99_2s1.jpg | 68440 | 2022-10-17 08:30:55 |
 atha-ex99_2s10.jpg | 53583 | 2022-10-17 08:30:55 |
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 atha-ex99_2s5.jpg | 79094 | 2022-10-17 08:30:55 |
 atha-ex99_2s6.jpg | 83435 | 2022-10-17 08:30:55 |
 atha-ex99_2s7.jpg | 49408 | 2022-10-17 08:30:55 |
 atha-ex99_2s8.jpg | 62848 | 2022-10-17 08:30:55 |
 atha-ex99_2s9.jpg | 42941 | 2022-10-17 08:30:55 |
| FilingSummary.xml | 1767 | 2022-10-17 08:30:55 |
| Financial_Report.xlsx | 5757 | 2022-10-17 08:30:55 |
 img247042425_0.jpg | 3175 | 2022-10-17 08:30:55 |
| MetaLinks.json | 18093 | 2022-10-17 08:30:55 |
| R1.htm | 41389 | 2022-10-17 08:30:55 |
| report.css | 2767 | 2022-10-17 08:30:55 |
| Show.js | 1085 | 2022-10-17 08:30:55 |