Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001903596-23-000607-index-headers.html | 2023-08-11 12:51:34 | |
| 0001903596-23-000607-index.html | 2023-08-11 12:51:34 | |
| 0001903596-23-000607.txt | 2023-08-11 12:51:34 | |
 0001903596-23-000607-xbrl.zip | 61621 | 2023-08-11 12:51:34 |
 ex10_1-001.jpg | 356267 | 2023-08-11 12:51:34 |
 ex10_1-002.jpg | 372421 | 2023-08-11 12:51:34 |
 ex10_1-003.jpg | 327048 | 2023-08-11 12:51:34 |
 ex10_1-004.jpg | 419165 | 2023-08-11 12:51:34 |
 ex10_1-005.jpg | 316787 | 2023-08-11 12:51:34 |
 ex10_1-006.jpg | 132558 | 2023-08-11 12:51:34 |
 ex10_1-007.jpg | 48031 | 2023-08-11 12:51:34 |
 ex10_1-008.jpg | 105147 | 2023-08-11 12:51:34 |
| ex10_1.htm | 5623 | 2023-08-11 12:51:34 |
 ex10_2-001.jpg | 222212 | 2023-08-11 12:51:34 |
 ex10_2-002.jpg | 198750 | 2023-08-11 12:51:34 |
 ex10_2-003.jpg | 389932 | 2023-08-11 12:51:34 |
 ex10_2-004.jpg | 575176 | 2023-08-11 12:51:34 |
 ex10_2-005.jpg | 689593 | 2023-08-11 12:51:34 |
 ex10_2-006.jpg | 553418 | 2023-08-11 12:51:34 |
 ex10_2-007.jpg | 474093 | 2023-08-11 12:51:34 |
 ex10_2-008.jpg | 302299 | 2023-08-11 12:51:34 |
 ex10_2-009.jpg | 258519 | 2023-08-11 12:51:34 |
 ex10_2-010.jpg | 40373 | 2023-08-11 12:51:34 |
 ex10_2-011.jpg | 204177 | 2023-08-11 12:51:34 |
 ex10_2-012.jpg | 324112 | 2023-08-11 12:51:34 |
 ex10_2-013.jpg | 359434 | 2023-08-11 12:51:34 |
 ex10_2-014.jpg | 278989 | 2023-08-11 12:51:34 |
 ex10_2-015.jpg | 71892 | 2023-08-11 12:51:34 |
 ex10_2-016.jpg | 2647978 | 2023-08-11 12:51:34 |
 ex10_2-017.jpg | 1235500 | 2023-08-11 12:51:34 |
 ex10_2-018.jpg | 305977 | 2023-08-11 12:51:34 |
 ex10_2-019.jpg | 87287 | 2023-08-11 12:51:34 |
 ex10_2-020.jpg | 275925 | 2023-08-11 12:51:34 |
| ex10_2.htm | 13703 | 2023-08-11 12:51:34 |
 ex10_3-001.jpg | 525572 | 2023-08-11 12:51:34 |
 ex10_3-002.jpg | 112432 | 2023-08-11 12:51:34 |
| ex10_3.htm | 1614 | 2023-08-11 12:51:34 |
 ex10_4-001.jpg | 338941 | 2023-08-11 12:51:34 |
 ex10_4-002.jpg | 99164 | 2023-08-11 12:51:34 |
 ex10_4-003.jpg | 280744 | 2023-08-11 12:51:34 |
 ex10_4-004.jpg | 298687 | 2023-08-11 12:51:34 |
 ex10_4-005.jpg | 288753 | 2023-08-11 12:51:34 |
 ex10_4-006.jpg | 277370 | 2023-08-11 12:51:34 |
 ex10_4-007.jpg | 227372 | 2023-08-11 12:51:34 |
 ex10_4-008.jpg | 262462 | 2023-08-11 12:51:34 |
 ex10_4-009.jpg | 205751 | 2023-08-11 12:51:34 |
 ex10_4-010.jpg | 62382 | 2023-08-11 12:51:34 |
| ex10_4.htm | 6985 | 2023-08-11 12:51:34 |
 ex10_5-001.jpg | 344153 | 2023-08-11 12:51:34 |
 ex10_5-002.jpg | 367538 | 2023-08-11 12:51:34 |
 ex10_5-003.jpg | 365977 | 2023-08-11 12:51:34 |
 ex10_5-004.jpg | 419260 | 2023-08-11 12:51:34 |
 ex10_5-005.jpg | 354952 | 2023-08-11 12:51:34 |
 ex10_5-006.jpg | 367058 | 2023-08-11 12:51:34 |
 ex10_5-007.jpg | 323020 | 2023-08-11 12:51:34 |
 ex10_5-008.jpg | 366592 | 2023-08-11 12:51:34 |
 ex10_5-009.jpg | 357472 | 2023-08-11 12:51:34 |
 ex10_5-010.jpg | 334076 | 2023-08-11 12:51:34 |
 ex10_5-011.jpg | 271977 | 2023-08-11 12:51:34 |
 ex10_5-012.jpg | 270499 | 2023-08-11 12:51:34 |
 ex10_5-013.jpg | 362052 | 2023-08-11 12:51:34 |
 ex10_5-014.jpg | 346249 | 2023-08-11 12:51:34 |
 ex10_5-015.jpg | 231434 | 2023-08-11 12:51:34 |
 ex10_5-016.jpg | 363420 | 2023-08-11 12:51:34 |
 ex10_5-017.jpg | 398678 | 2023-08-11 12:51:34 |
 ex10_5-018.jpg | 397394 | 2023-08-11 12:51:34 |
 ex10_5-019.jpg | 328130 | 2023-08-11 12:51:34 |
 ex10_5-020.jpg | 65319 | 2023-08-11 12:51:34 |
 ex10_5-021.jpg | 66299 | 2023-08-11 12:51:34 |
 ex10_5-022.jpg | 60335 | 2023-08-11 12:51:34 |
 ex10_5-023.jpg | 53119 | 2023-08-11 12:51:34 |
 ex10_5-024.jpg | 267450 | 2023-08-11 12:51:34 |
 ex10_5-025.jpg | 343495 | 2023-08-11 12:51:34 |
 ex10_5-026.jpg | 235050 | 2023-08-11 12:51:34 |
 ex10_5-027.jpg | 79188 | 2023-08-11 12:51:34 |
 ex10_5-028.jpg | 56929 | 2023-08-11 12:51:34 |
 ex10_5-029.jpg | 199917 | 2023-08-11 12:51:34 |
 ex10_5-030.jpg | 110511 | 2023-08-11 12:51:34 |
 ex10_5-031.jpg | 212563 | 2023-08-11 12:51:34 |
 ex10_5-032.jpg | 295347 | 2023-08-11 12:51:34 |
 ex10_5-033.jpg | 77676 | 2023-08-11 12:51:34 |
| ex10_5.htm | 22510 | 2023-08-11 12:51:34 |
 ex10_6-001.jpg | 59741 | 2023-08-11 12:51:34 |
 ex10_6-002.jpg | 363621 | 2023-08-11 12:51:34 |
 ex10_6-003.jpg | 399622 | 2023-08-11 12:51:34 |
 ex10_6-004.jpg | 402378 | 2023-08-11 12:51:34 |
 ex10_6-005.jpg | 431478 | 2023-08-11 12:51:34 |
 ex10_6-006.jpg | 390334 | 2023-08-11 12:51:34 |
 ex10_6-007.jpg | 404774 | 2023-08-11 12:51:34 |
 ex10_6-008.jpg | 454522 | 2023-08-11 12:51:34 |
 ex10_6-009.jpg | 411853 | 2023-08-11 12:51:34 |
 ex10_6-010.jpg | 424701 | 2023-08-11 12:51:34 |
 ex10_6-011.jpg | 409941 | 2023-08-11 12:51:34 |
 ex10_6-012.jpg | 442316 | 2023-08-11 12:51:34 |
 ex10_6-013.jpg | 427263 | 2023-08-11 12:51:34 |
 ex10_6-014.jpg | 449881 | 2023-08-11 12:51:34 |
 ex10_6-015.jpg | 434039 | 2023-08-11 12:51:34 |
 ex10_6-016.jpg | 455708 | 2023-08-11 12:51:34 |
 ex10_6-017.jpg | 436180 | 2023-08-11 12:51:34 |
 ex10_6-018.jpg | 482395 | 2023-08-11 12:51:34 |
 ex10_6-019.jpg | 395915 | 2023-08-11 12:51:34 |
 ex10_6-020.jpg | 382675 | 2023-08-11 12:51:34 |
 ex10_6-021.jpg | 441307 | 2023-08-11 12:51:34 |
 ex10_6-022.jpg | 385277 | 2023-08-11 12:51:34 |
 ex10_6-023.jpg | 428136 | 2023-08-11 12:51:34 |
 ex10_6-024.jpg | 422915 | 2023-08-11 12:51:34 |
 ex10_6-025.jpg | 441587 | 2023-08-11 12:51:34 |
 ex10_6-026.jpg | 475219 | 2023-08-11 12:51:34 |
 ex10_6-027.jpg | 436415 | 2023-08-11 12:51:34 |
 ex10_6-028.jpg | 354006 | 2023-08-11 12:51:34 |
 ex10_6-029.jpg | 472834 | 2023-08-11 12:51:34 |
 ex10_6-030.jpg | 415964 | 2023-08-11 12:51:34 |
 ex10_6-031.jpg | 437509 | 2023-08-11 12:51:34 |
 ex10_6-032.jpg | 409341 | 2023-08-11 12:51:34 |
 ex10_6-033.jpg | 375548 | 2023-08-11 12:51:34 |
 ex10_6-034.jpg | 254022 | 2023-08-11 12:51:34 |
 ex10_6-035.jpg | 424822 | 2023-08-11 12:51:34 |
 ex10_6-036.jpg | 382100 | 2023-08-11 12:51:34 |
 ex10_6-037.jpg | 410178 | 2023-08-11 12:51:34 |
 ex10_6-038.jpg | 457923 | 2023-08-11 12:51:34 |
 ex10_6-039.jpg | 464887 | 2023-08-11 12:51:34 |
 ex10_6-040.jpg | 363420 | 2023-08-11 12:51:34 |
 ex10_6-041.jpg | 414711 | 2023-08-11 12:51:34 |
 ex10_6-042.jpg | 442585 | 2023-08-11 12:51:34 |
 ex10_6-043.jpg | 455592 | 2023-08-11 12:51:34 |
 ex10_6-044.jpg | 449390 | 2023-08-11 12:51:34 |
 ex10_6-045.jpg | 177884 | 2023-08-11 12:51:34 |
 ex10_6-046.jpg | 80961 | 2023-08-11 12:51:34 |
 ex10_6-047.jpg | 61423 | 2023-08-11 12:51:34 |
 ex10_6-048.jpg | 116139 | 2023-08-11 12:51:34 |
 ex10_6-049.jpg | 291027 | 2023-08-11 12:51:34 |
 ex10_6-050.jpg | 97467 | 2023-08-11 12:51:34 |
 ex10_6-051.jpg | 203281 | 2023-08-11 12:51:34 |
 ex10_6-052.jpg | 98994 | 2023-08-11 12:51:34 |
 ex10_6-053.jpg | 112361 | 2023-08-11 12:51:34 |
 ex10_6-054.jpg | 339717 | 2023-08-11 12:51:34 |
 ex10_6-055.jpg | 462819 | 2023-08-11 12:51:34 |
 ex10_6-056.jpg | 470226 | 2023-08-11 12:51:34 |
 ex10_6-057.jpg | 438831 | 2023-08-11 12:51:34 |
 ex10_6-058.jpg | 361223 | 2023-08-11 12:51:34 |
 ex10_6-059.jpg | 152200 | 2023-08-11 12:51:34 |
 ex10_6-060.jpg | 112031 | 2023-08-11 12:51:34 |
 ex10_6-061.jpg | 46087 | 2023-08-11 12:51:34 |
 ex10_6-062.jpg | 286286 | 2023-08-11 12:51:34 |
 ex10_6-063.jpg | 42516 | 2023-08-11 12:51:34 |
 ex10_6-064.jpg | 381765 | 2023-08-11 12:51:34 |
 ex10_6-065.jpg | 329269 | 2023-08-11 12:51:34 |
 ex10_6-066.jpg | 320723 | 2023-08-11 12:51:34 |
 ex10_6-067.jpg | 372414 | 2023-08-11 12:51:34 |
 ex10_6-068.jpg | 476771 | 2023-08-11 12:51:34 |
 ex10_6-069.jpg | 405691 | 2023-08-11 12:51:34 |
 ex10_6-070.jpg | 218079 | 2023-08-11 12:51:34 |
 ex10_6-071.jpg | 165959 | 2023-08-11 12:51:34 |
 ex10_6-072.jpg | 407707 | 2023-08-11 12:51:34 |
 ex10_6-073.jpg | 467191 | 2023-08-11 12:51:34 |
 ex10_6-074.jpg | 474294 | 2023-08-11 12:51:34 |
 ex10_6-075.jpg | 441141 | 2023-08-11 12:51:34 |
 ex10_6-076.jpg | 182894 | 2023-08-11 12:51:34 |
 ex10_6-077.jpg | 86613 | 2023-08-11 12:51:34 |
 ex10_6-078.jpg | 42516 | 2023-08-11 12:51:34 |
| ex10_6.htm | 52737 | 2023-08-11 12:51:34 |
| ex10_7.htm | 208269 | 2023-08-11 12:51:34 |
 ex10_8-001.jpg | 449895 | 2023-08-11 12:51:34 |
 ex10_8-002.jpg | 497260 | 2023-08-11 12:51:34 |
 ex10_8-003.jpg | 488624 | 2023-08-11 12:51:34 |
 ex10_8-004.jpg | 468143 | 2023-08-11 12:51:34 |
 ex10_8-005.jpg | 578878 | 2023-08-11 12:51:34 |
 ex10_8-006.jpg | 458725 | 2023-08-11 12:51:34 |
 ex10_8-007.jpg | 495989 | 2023-08-11 12:51:34 |
 ex10_8-008.jpg | 294566 | 2023-08-11 12:51:34 |
 ex10_8-009.jpg | 69274 | 2023-08-11 12:51:34 |
 ex10_8-010.jpg | 160412 | 2023-08-11 12:51:34 |
 ex10_8-011.jpg | 154770 | 2023-08-11 12:51:34 |
 ex10_8-012.jpg | 460242 | 2023-08-11 12:51:34 |
 ex10_8-013.jpg | 405731 | 2023-08-11 12:51:34 |
 ex10_8-014.jpg | 490577 | 2023-08-11 12:51:34 |
 ex10_8-015.jpg | 524165 | 2023-08-11 12:51:34 |
 ex10_8-016.jpg | 541930 | 2023-08-11 12:51:34 |
 ex10_8-017.jpg | 428086 | 2023-08-11 12:51:34 |
 ex10_8-018.jpg | 468122 | 2023-08-11 12:51:34 |
 ex10_8-019.jpg | 176385 | 2023-08-11 12:51:34 |
 ex10_8-020.jpg | 67631 | 2023-08-11 12:51:34 |
 ex10_8-021.jpg | 153260 | 2023-08-11 12:51:34 |
 ex10_8-022.jpg | 146956 | 2023-08-11 12:51:34 |
 ex10_8-023.jpg | 367183 | 2023-08-11 12:51:34 |
 ex10_8-024.jpg | 370658 | 2023-08-11 12:51:34 |
 ex10_8-025.jpg | 391468 | 2023-08-11 12:51:34 |
 ex10_8-026.jpg | 393356 | 2023-08-11 12:51:34 |
 ex10_8-027.jpg | 179601 | 2023-08-11 12:51:34 |
 ex10_8-028.jpg | 91623 | 2023-08-11 12:51:34 |
 ex10_8-029.jpg | 44565 | 2023-08-11 12:51:34 |
 ex10_8-030.jpg | 43971 | 2023-08-11 12:51:34 |
| ex10_8.htm | 20429 | 2023-08-11 12:51:34 |
| ex10_9.htm | 55869 | 2023-08-11 12:51:34 |
| FilingSummary.xml | 2059 | 2023-08-11 12:51:34 |
| Financial_Report.xlsx | 5563 | 2023-08-11 12:51:34 |
| grst-20221003.xsd | 3304 | 2023-08-11 12:51:34 |
| grst-20221003_lab.xml | 34240 | 2023-08-11 12:51:34 |
| grst-20221003_pre.xml | 22373 | 2023-08-11 12:51:34 |
| grst_8k.htm | 40073 | 2023-08-11 12:51:34 |
| grst_8k_htm.xml | 2836 | 2023-08-11 12:51:34 |
| MetaLinks.json | 39680 | 2023-08-11 12:51:34 |
| R1.htm | 31690 | 2023-08-11 12:51:34 |
| report.css | 2768 | 2023-08-11 12:51:34 |
| Show.js | 1086 | 2023-08-11 12:51:34 |