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| 0001641172-25-017721-index.html | 2025-07-03 12:27:22 | |
| 0001641172-25-017721.txt | 2025-07-03 12:27:22 | |
 0001641172-25-017721-xbrl.zip | 126986 | 2025-07-03 12:27:22 |
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 ex23-1_001.jpg | 1222 | 2025-07-03 12:27:22 |
| ex31-1.htm | 12518 | 2025-07-03 12:27:22 |
| ex32-1.htm | 7375 | 2025-07-03 12:27:22 |
| FilingSummary.xml | 24559 | 2025-07-03 12:27:22 |
| form10-k.htm | 809695 | 2025-07-03 12:27:22 |
 form10-k_001.jpg | 5049 | 2025-07-03 12:27:22 |
 form10-k_002.jpg | 1387 | 2025-07-03 12:27:22 |
| form10-k_htm.xml | 342129 | 2025-07-03 12:27:22 |
| hgyn-20241231.xsd | 23065 | 2025-07-03 12:27:22 |
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| hgyn-20241231_def.xml | 71970 | 2025-07-03 12:27:22 |
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| R10.htm | 26460 | 2025-07-03 12:27:22 |
| R11.htm | 27417 | 2025-07-03 12:27:22 |
| R12.htm | 6836 | 2025-07-03 12:27:22 |
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| R19.htm | 5998 | 2025-07-03 12:27:22 |
| R2.htm | 118867 | 2025-07-03 12:27:22 |
| R20.htm | 50715 | 2025-07-03 12:27:22 |
| R21.htm | 6848 | 2025-07-03 12:27:22 |
| R22.htm | 12481 | 2025-07-03 12:27:22 |
| R23.htm | 32167 | 2025-07-03 12:27:22 |
| R24.htm | 37192 | 2025-07-03 12:27:22 |
| R25.htm | 63631 | 2025-07-03 12:27:22 |
| R26.htm | 9941 | 2025-07-03 12:27:22 |
| R27.htm | 4382 | 2025-07-03 12:27:22 |
| R28.htm | 12818 | 2025-07-03 12:27:22 |
| R29.htm | 9931 | 2025-07-03 12:27:22 |
| R3.htm | 22122 | 2025-07-03 12:27:22 |
| R30.htm | 4227 | 2025-07-03 12:27:22 |
| R31.htm | 8925 | 2025-07-03 12:27:22 |
| R32.htm | 16048 | 2025-07-03 12:27:22 |
| R33.htm | 4431 | 2025-07-03 12:27:22 |
| R34.htm | 12748 | 2025-07-03 12:27:22 |
| R35.htm | 8566 | 2025-07-03 12:27:22 |
| R36.htm | 6861 | 2025-07-03 12:27:22 |
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| R4.htm | 105806 | 2025-07-03 12:27:22 |
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| R41.htm | 4689 | 2025-07-03 12:27:22 |
| R42.htm | 7372 | 2025-07-03 12:27:22 |
| R5.htm | 44231 | 2025-07-03 12:27:22 |
| R6.htm | 67636 | 2025-07-03 12:27:22 |
| R7.htm | 14487 | 2025-07-03 12:27:22 |
| R8.htm | 3936 | 2025-07-03 12:27:22 |
| R9.htm | 12265 | 2025-07-03 12:27:22 |
| report.css | 2767 | 2025-07-03 12:27:22 |
| Show.js | 1085 | 2025-07-03 12:27:22 |