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|---|---|---|
 0001493152-20-008712-index-headers.html | 2020-05-14 15:10:27 | |
| 0001493152-20-008712-index.html | 2020-05-14 15:10:27 | |
| 0001493152-20-008712.txt | 2020-05-14 15:10:27 | |
 0001493152-20-008712-xbrl.zip | 21679 | 2020-05-14 15:10:27 |
| ex31-1.htm | 18777 | 2020-05-14 15:10:27 |
| ex31-2.htm | 18798 | 2020-05-14 15:10:27 |
| ex32-1.htm | 6006 | 2020-05-14 15:10:27 |
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| Financial_Report.xlsx | 18340 | 2020-05-14 15:10:27 |
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| R12.htm | 14417 | 2020-05-14 15:10:27 |
| R13.htm | 18707 | 2020-05-14 15:10:27 |
| R2.htm | 40130 | 2020-05-14 15:10:27 |
| R3.htm | 18928 | 2020-05-14 15:10:27 |
| R4.htm | 36058 | 2020-05-14 15:10:27 |
| R5.htm | 18233 | 2020-05-14 15:10:27 |
| R6.htm | 38217 | 2020-05-14 15:10:27 |
| R7.htm | 7046 | 2020-05-14 15:10:27 |
| R8.htm | 10026 | 2020-05-14 15:10:27 |
| R9.htm | 7146 | 2020-05-14 15:10:27 |
| report.css | 2767 | 2020-05-14 15:10:27 |
| Show.js | 1085 | 2020-05-14 15:10:27 |
| ytfd-20200331.xml | 50337 | 2020-05-14 15:10:27 |
| ytfd-20200331.xsd | 9492 | 2020-05-14 15:10:27 |
| ytfd-20200331_cal.xml | 15899 | 2020-05-14 15:10:27 |
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