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|---|---|---|
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| 0001493152-18-002437-index.html | 2018-02-21 13:20:50 | |
| 0001493152-18-002437.txt | 2018-02-21 13:20:50 | |
 0001493152-18-002437-xbrl.zip | 29382 | 2018-02-21 13:20:50 |
| ex31-1.htm | 19942 | 2018-02-21 13:20:50 |
| ex31-2.htm | 19784 | 2018-02-21 13:20:50 |
| ex32-1.htm | 6571 | 2018-02-21 13:20:50 |
| FilingSummary.xml | 14321 | 2018-02-21 13:20:50 |
| Financial_Report.xlsx | 26857 | 2018-02-21 13:20:50 |
| form10-k.htm | 401049 | 2018-02-21 13:20:50 |
 image_001.jpg | 4862 | 2018-02-21 13:20:50 |
| R1.htm | 29802 | 2018-02-21 13:20:50 |
| R10.htm | 6187 | 2018-02-21 13:20:50 |
| R11.htm | 10981 | 2018-02-21 13:20:50 |
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| R2.htm | 32673 | 2018-02-21 13:20:50 |
| R20.htm | 7764 | 2018-02-21 13:20:50 |
| R21.htm | 4479 | 2018-02-21 13:20:50 |
| R22.htm | 10290 | 2018-02-21 13:20:50 |
| R23.htm | 8842 | 2018-02-21 13:20:50 |
| R24.htm | 10222 | 2018-02-21 13:20:50 |
| R3.htm | 18939 | 2018-02-21 13:20:50 |
| R4.htm | 23457 | 2018-02-21 13:20:50 |
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| R6.htm | 32995 | 2018-02-21 13:20:50 |
| R7.htm | 6516 | 2018-02-21 13:20:50 |
| R8.htm | 13960 | 2018-02-21 13:20:50 |
| R9.htm | 6295 | 2018-02-21 13:20:50 |
| report.css | 2767 | 2018-02-21 13:20:50 |
| Show.js | 1410 | 2018-02-21 13:20:50 |
| ytfd-20171231.xml | 107170 | 2018-02-21 13:20:50 |
| ytfd-20171231.xsd | 13485 | 2018-02-21 13:20:50 |
| ytfd-20171231_cal.xml | 20823 | 2018-02-21 13:20:50 |
| ytfd-20171231_def.xml | 18847 | 2018-02-21 13:20:50 |
| ytfd-20171231_lab.xml | 86615 | 2018-02-21 13:20:50 |
| ytfd-20171231_pre.xml | 73074 | 2018-02-21 13:20:50 |