Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-21-025183-index-headers.html | 2021-10-12 15:20:47 | |
| 0001493152-21-025183-index.html | 2021-10-12 15:20:47 | |
| 0001493152-21-025183.txt | 2021-10-12 15:20:47 | |
 0001493152-21-025183-xbrl.zip | 12151 | 2021-10-12 15:20:47 |
| ex16-1.htm | 4811 | 2021-10-12 15:20:47 |
| FilingSummary.xml | 1597 | 2021-10-12 15:20:47 |
| Financial_Report.xlsx | 5634 | 2021-10-12 15:20:47 |
| form8-k.htm | 43782 | 2021-10-12 15:20:47 |
| form8-k_htm.xml | 3371 | 2021-10-12 15:20:47 |
| MetaLinks.json | 37529 | 2021-10-12 15:20:47 |
| R1.htm | 36897 | 2021-10-12 15:20:47 |
| report.css | 2767 | 2021-10-12 15:20:47 |
| Show.js | 1084 | 2021-10-12 15:20:47 |
| ytfd-20211011.xsd | 3013 | 2021-10-12 15:20:47 |
| ytfd-20211011_lab.xml | 34240 | 2021-10-12 15:20:47 |
| ytfd-20211011_pre.xml | 22351 | 2021-10-12 15:20:47 |