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| 0001493152-23-007490.txt | 2023-03-13 21:59:41 | |
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| ex31-1.htm | 19106 | 2023-03-13 21:59:41 |
| ex31-2.htm | 19041 | 2023-03-13 21:59:41 |
| ex32-1.htm | 7647 | 2023-03-13 21:59:41 |
| FilingSummary.xml | 17104 | 2023-03-13 21:59:41 |
| Financial_Report.xlsx | 38902 | 2023-03-13 21:59:41 |
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| R1.htm | 69402 | 2023-03-13 21:59:41 |
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| R11.htm | 27585 | 2023-03-13 21:59:41 |
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| R2.htm | 50968 | 2023-03-13 21:59:41 |
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| R21.htm | 19302 | 2023-03-13 21:59:41 |
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| R8.htm | 21018 | 2023-03-13 21:59:41 |
| R9.htm | 8840 | 2023-03-13 21:59:41 |
| report.css | 2767 | 2023-03-13 21:59:41 |
| Show.js | 1085 | 2023-03-13 21:59:41 |
| ytfd-20221231.xsd | 17273 | 2023-03-13 21:59:41 |
| ytfd-20221231_cal.xml | 26567 | 2023-03-13 21:59:41 |
| ytfd-20221231_def.xml | 35483 | 2023-03-13 21:59:41 |
| ytfd-20221231_lab.xml | 128670 | 2023-03-13 21:59:41 |
| ytfd-20221231_pre.xml | 105864 | 2023-03-13 21:59:41 |