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| 0001140361-23-022489-index.html | 2023-05-02 16:30:40 | |
| 0001140361-23-022489.txt | 2023-05-02 16:30:40 | |
 0001140361-23-022489-xbrl.zip | 45206 | 2023-05-02 16:30:40 |
| brhc20052311_8k.htm | 37136 | 2023-05-02 16:30:40 |
| brhc20052311_8k_htm.xml | 4233 | 2023-05-02 16:30:40 |
| brhc20052311_ex10-1.htm | 248806 | 2023-05-02 16:30:40 |
| erna-20230426.xsd | 3865 | 2023-05-02 16:30:40 |
| erna-20230426_lab.xml | 22546 | 2023-05-02 16:30:40 |
| erna-20230426_pre.xml | 16044 | 2023-05-02 16:30:40 |
| FilingSummary.xml | 1722 | 2023-05-02 16:30:40 |
| Financial_Report.xlsx | 5721 | 2023-05-02 16:30:40 |
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| R1.htm | 39639 | 2023-05-02 16:30:40 |
| report.css | 2767 | 2023-05-02 16:30:40 |
| Show.js | 1084 | 2023-05-02 16:30:40 |