Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001493152-23-017494-index.html | 2023-05-15 17:00:47 | |
| 0001493152-23-017494.txt | 2023-05-15 17:00:47 | |
 0001493152-23-017494-xbrl.zip | 50385 | 2023-05-15 17:00:47 |
| ex31-1.htm | 11153 | 2023-05-15 17:00:47 |
| ex31-2.htm | 11003 | 2023-05-15 17:00:47 |
| ex32-1.htm | 5804 | 2023-05-15 17:00:47 |
| FilingSummary.xml | 9772 | 2023-05-15 17:00:47 |
| Financial_Report.xlsx | 23710 | 2023-05-15 17:00:47 |
| form10-q.htm | 224988 | 2023-05-15 17:00:47 |
| form10-q_htm.xml | 80638 | 2023-05-15 17:00:47 |
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| R10.htm | 13087 | 2023-05-15 17:00:47 |
| R11.htm | 5664 | 2023-05-15 17:00:47 |
| R12.htm | 20005 | 2023-05-15 17:00:47 |
| R13.htm | 21017 | 2023-05-15 17:00:47 |
| R14.htm | 17358 | 2023-05-15 17:00:47 |
| R15.htm | 16094 | 2023-05-15 17:00:47 |
| R2.htm | 53558 | 2023-05-15 17:00:47 |
| R3.htm | 22181 | 2023-05-15 17:00:47 |
| R4.htm | 47528 | 2023-05-15 17:00:47 |
| R5.htm | 27070 | 2023-05-15 17:00:47 |
| R6.htm | 37255 | 2023-05-15 17:00:47 |
| R7.htm | 8855 | 2023-05-15 17:00:47 |
| R8.htm | 13684 | 2023-05-15 17:00:47 |
| R9.htm | 12585 | 2023-05-15 17:00:47 |
| report.css | 2767 | 2023-05-15 17:00:47 |
| Show.js | 1085 | 2023-05-15 17:00:47 |
| ytfd-20230331.xsd | 11142 | 2023-05-15 17:00:47 |
| ytfd-20230331_cal.xml | 17213 | 2023-05-15 17:00:47 |
| ytfd-20230331_def.xml | 24966 | 2023-05-15 17:00:47 |
| ytfd-20230331_lab.xml | 108259 | 2023-05-15 17:00:47 |
| ytfd-20230331_pre.xml | 77674 | 2023-05-15 17:00:47 |