Parent Directory| Name | Size | Last Modified |
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| 0001903596-23-000381-index.html | 2023-05-10 16:52:35 | |
| 0001903596-23-000381.txt | 2023-05-10 16:52:35 | |
 0001903596-23-000381-xbrl.zip | 11819 | 2023-05-10 16:52:35 |
 ex16_1-001.jpg | 91118 | 2023-05-10 16:52:35 |
| ex16_1.htm | 394 | 2023-05-10 16:52:35 |
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| ex16_2.htm | 394 | 2023-05-10 16:52:35 |
| FilingSummary.xml | 1862 | 2023-05-10 16:52:35 |
| Financial_Report.xlsx | 5563 | 2023-05-10 16:52:35 |
| grst-20230509.xsd | 3248 | 2023-05-10 16:52:35 |
| grst-20230509_lab.xml | 34240 | 2023-05-10 16:52:35 |
| grst-20230509_pre.xml | 22373 | 2023-05-10 16:52:35 |
| grst_8k.htm | 32350 | 2023-05-10 16:52:35 |
| grst_8k_htm.xml | 3064 | 2023-05-10 16:52:35 |
| MetaLinks.json | 39704 | 2023-05-10 16:52:35 |
| R1.htm | 31686 | 2023-05-10 16:52:35 |
| report.css | 2767 | 2023-05-10 16:52:35 |
| Show.js | 1085 | 2023-05-10 16:52:35 |