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 0001493152-20-015637-index-headers.html | 2020-08-14 06:09:51 | |
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| 0001493152-20-015637.txt | 2020-08-14 06:09:51 | |
 0001493152-20-015637-xbrl.zip | 21483 | 2020-08-14 06:09:51 |
| ex31-1.htm | 19082 | 2020-08-14 06:09:51 |
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| R12.htm | 14829 | 2020-08-14 06:09:51 |
| R13.htm | 19631 | 2020-08-14 06:09:51 |
| R2.htm | 40136 | 2020-08-14 06:09:51 |
| R3.htm | 18933 | 2020-08-14 06:09:51 |
| R4.htm | 33100 | 2020-08-14 06:09:51 |
| R5.htm | 18240 | 2020-08-14 06:09:51 |
| R6.htm | 39738 | 2020-08-14 06:09:51 |
| R7.htm | 7013 | 2020-08-14 06:09:51 |
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| R9.htm | 7118 | 2020-08-14 06:09:51 |
| report.css | 2767 | 2020-08-14 06:09:51 |
| Show.js | 1085 | 2020-08-14 06:09:51 |
| ytfd-20200630.xml | 52636 | 2020-08-14 06:09:51 |
| ytfd-20200630.xsd | 9266 | 2020-08-14 06:09:51 |
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