Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-24-038690-index-headers.html | 2024-03-29 16:30:12 | |
| 0000950170-24-038690-index.html | 2024-03-29 16:30:12 | |
| 0000950170-24-038690.txt | 2024-03-29 16:30:12 | |
 0000950170-24-038690-xbrl.zip | 6954 | 2024-03-29 16:30:12 |
| atra-20240326.htm | 35108 | 2024-03-29 16:30:12 |
| atra-20240326.xsd | 24861 | 2024-03-29 16:30:12 |
| atra-20240326_htm.xml | 4728 | 2024-03-29 16:30:12 |
| FilingSummary.xml | 1661 | 2024-03-29 16:30:12 |
| Financial_Report.xlsx | 5745 | 2024-03-29 16:30:12 |
| MetaLinks.json | 17905 | 2024-03-29 16:30:12 |
| R1.htm | 39655 | 2024-03-29 16:30:12 |
| report.css | 2766 | 2024-03-29 16:30:12 |
| Show.js | 1084 | 2024-03-29 16:30:12 |