Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001493152-22-022850-index.html | 2022-08-15 16:00:43 | |
| 0001493152-22-022850.txt | 2022-08-15 16:00:43 | |
 0001493152-22-022850-xbrl.zip | 51517 | 2022-08-15 16:00:43 |
| ex31-1.htm | 11303 | 2022-08-15 16:00:43 |
| ex31-2.htm | 19725 | 2022-08-15 16:00:43 |
| ex32-1.htm | 9991 | 2022-08-15 16:00:43 |
| FilingSummary.xml | 9774 | 2022-08-15 16:00:43 |
| Financial_Report.xlsx | 24516 | 2022-08-15 16:00:43 |
| form10-q.htm | 257095 | 2022-08-15 16:00:43 |
| form10-q_htm.xml | 90392 | 2022-08-15 16:00:43 |
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| R1.htm | 51438 | 2022-08-15 16:00:43 |
| R10.htm | 12511 | 2022-08-15 16:00:43 |
| R11.htm | 5728 | 2022-08-15 16:00:43 |
| R12.htm | 19657 | 2022-08-15 16:00:43 |
| R13.htm | 20699 | 2022-08-15 16:00:43 |
| R14.htm | 17496 | 2022-08-15 16:00:43 |
| R15.htm | 15558 | 2022-08-15 16:00:43 |
| R2.htm | 50982 | 2022-08-15 16:00:43 |
| R3.htm | 19399 | 2022-08-15 16:00:43 |
| R4.htm | 50153 | 2022-08-15 16:00:43 |
| R5.htm | 32257 | 2022-08-15 16:00:43 |
| R6.htm | 38802 | 2022-08-15 16:00:43 |
| R7.htm | 8472 | 2022-08-15 16:00:43 |
| R8.htm | 13025 | 2022-08-15 16:00:43 |
| R9.htm | 10509 | 2022-08-15 16:00:43 |
| report.css | 2767 | 2022-08-15 16:00:43 |
| Show.js | 1085 | 2022-08-15 16:00:43 |
| ytfd-20220630.xsd | 10836 | 2022-08-15 16:00:43 |
| ytfd-20220630_cal.xml | 17744 | 2022-08-15 16:00:43 |
| ytfd-20220630_def.xml | 24861 | 2022-08-15 16:00:43 |
| ytfd-20220630_lab.xml | 105968 | 2022-08-15 16:00:43 |
| ytfd-20220630_pre.xml | 76619 | 2022-08-15 16:00:43 |