Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001140361-23-000340-index.html | 2023-01-04 08:35:31 | |
| 0001140361-23-000340.txt | 2023-01-04 08:35:31 | |
 0001140361-23-000340-xbrl.zip | 23853 | 2023-01-04 08:35:31 |
| brhc10046238_8k.htm | 63753 | 2023-01-04 08:35:31 |
| brhc10046238_8k_htm.xml | 4233 | 2023-01-04 08:35:31 |
| brhc10046238_ex10-1.htm | 35467 | 2023-01-04 08:35:31 |
| erna-20221229.xsd | 3866 | 2023-01-04 08:35:31 |
| erna-20221229_lab.xml | 22547 | 2023-01-04 08:35:31 |
| erna-20221229_pre.xml | 16045 | 2023-01-04 08:35:31 |
| FilingSummary.xml | 1940 | 2023-01-04 08:35:31 |
| Financial_Report.xlsx | 5721 | 2023-01-04 08:35:31 |
 image01.jpg | 2426 | 2023-01-04 08:35:31 |
| MetaLinks.json | 20541 | 2023-01-04 08:35:31 |
| R1.htm | 39639 | 2023-01-04 08:35:31 |
| report.css | 2767 | 2023-01-04 08:35:31 |
| Show.js | 1085 | 2023-01-04 08:35:31 |