Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-25-113811-index-headers.html | 2025-05-06 16:05:20 | |
| 0001193125-25-113811-index.html | 2025-05-06 16:05:20 | |
| 0001193125-25-113811.txt | 2025-05-06 16:05:20 | |
 0001193125-25-113811-xbrl.zip | 12000 | 2025-05-06 16:05:20 |
| atra-20250505.xsd | 2853 | 2025-05-06 16:05:20 |
| atra-20250505_lab.xml | 17235 | 2025-05-06 16:05:20 |
| atra-20250505_pre.xml | 10814 | 2025-05-06 16:05:20 |
| d905721d8k.htm | 23888 | 2025-05-06 16:05:20 |
| d905721d8k_htm.xml | 3515 | 2025-05-06 16:05:20 |
| d905721dex991.htm | 12059 | 2025-05-06 16:05:20 |
| FilingSummary.xml | 1714 | 2025-05-06 16:05:20 |
| Financial_Report.xlsx | 5731 | 2025-05-06 16:05:20 |
 g905721g0506232330417.jpg | 1966 | 2025-05-06 16:05:20 |
| MetaLinks.json | 18261 | 2025-05-06 16:05:20 |
| R1.htm | 38101 | 2025-05-06 16:05:20 |
| report.css | 2767 | 2025-05-06 16:05:20 |
| Show.js | 1085 | 2025-05-06 16:05:20 |