Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-21-007581-index-headers.html | 2021-03-31 20:08:21 | |
| 0001493152-21-007581-index.html | 2021-03-31 20:08:21 | |
| 0001493152-21-007581.txt | 2021-03-31 20:08:21 | |
 0001493152-21-007581-xbrl.zip | 138024 | 2021-03-31 20:08:21 |
| ex31-1.htm | 11545 | 2021-03-31 20:08:21 |
| ex31-2.htm | 11539 | 2021-03-31 20:08:21 |
| ex32-1.htm | 6423 | 2021-03-31 20:08:21 |
| ex32-2.htm | 6242 | 2021-03-31 20:08:21 |
| FilingSummary.xml | 41712 | 2021-03-31 20:08:21 |
| Financial_Report.xlsx | 108472 | 2021-03-31 20:08:21 |
| form10-k.htm | 1078721 | 2021-03-31 20:08:21 |
 image_001.jpg | 66491 | 2021-03-31 20:08:21 |
 image_002.jpg | 36031 | 2021-03-31 20:08:21 |
| R1.htm | 34539 | 2021-03-31 20:08:21 |
| R10.htm | 19246 | 2021-03-31 20:08:21 |
| R11.htm | 17442 | 2021-03-31 20:08:21 |
| R12.htm | 5618 | 2021-03-31 20:08:21 |
| R13.htm | 12145 | 2021-03-31 20:08:21 |
| R14.htm | 18078 | 2021-03-31 20:08:21 |
| R15.htm | 10527 | 2021-03-31 20:08:21 |
| R16.htm | 22690 | 2021-03-31 20:08:21 |
| R17.htm | 18442 | 2021-03-31 20:08:21 |
| R18.htm | 26167 | 2021-03-31 20:08:21 |
| R19.htm | 25230 | 2021-03-31 20:08:21 |
| R2.htm | 79892 | 2021-03-31 20:08:21 |
| R20.htm | 10582 | 2021-03-31 20:08:21 |
| R21.htm | 7092 | 2021-03-31 20:08:21 |
| R22.htm | 61549 | 2021-03-31 20:08:21 |
| R23.htm | 16579 | 2021-03-31 20:08:21 |
| R24.htm | 9728 | 2021-03-31 20:08:21 |
| R25.htm | 84389 | 2021-03-31 20:08:21 |
| R26.htm | 12975 | 2021-03-31 20:08:21 |
| R27.htm | 16483 | 2021-03-31 20:08:21 |
| R28.htm | 9851 | 2021-03-31 20:08:21 |
| R29.htm | 18703 | 2021-03-31 20:08:21 |
| R3.htm | 10732 | 2021-03-31 20:08:21 |
| R30.htm | 8120 | 2021-03-31 20:08:21 |
| R31.htm | 19834 | 2021-03-31 20:08:21 |
| R32.htm | 25768 | 2021-03-31 20:08:21 |
| R33.htm | 22196 | 2021-03-31 20:08:21 |
| R34.htm | 9791 | 2021-03-31 20:08:21 |
| R35.htm | 57586 | 2021-03-31 20:08:21 |
| R36.htm | 15690 | 2021-03-31 20:08:21 |
| R37.htm | 8965 | 2021-03-31 20:08:21 |
| R38.htm | 5166 | 2021-03-31 20:08:21 |
| R39.htm | 28099 | 2021-03-31 20:08:21 |
| R4.htm | 68332 | 2021-03-31 20:08:21 |
| R40.htm | 16770 | 2021-03-31 20:08:21 |
| R41.htm | 24736 | 2021-03-31 20:08:21 |
| R42.htm | 18858 | 2021-03-31 20:08:21 |
| R43.htm | 16852 | 2021-03-31 20:08:21 |
| R44.htm | 16076 | 2021-03-31 20:08:21 |
| R45.htm | 9264 | 2021-03-31 20:08:21 |
| R46.htm | 11427 | 2021-03-31 20:08:21 |
| R47.htm | 9667 | 2021-03-31 20:08:21 |
| R48.htm | 8223 | 2021-03-31 20:08:21 |
| R49.htm | 16692 | 2021-03-31 20:08:21 |
| R5.htm | 66149 | 2021-03-31 20:08:21 |
| R50.htm | 9841 | 2021-03-31 20:08:21 |
| R51.htm | 46919 | 2021-03-31 20:08:21 |
| R52.htm | 10495 | 2021-03-31 20:08:21 |
| R53.htm | 30689 | 2021-03-31 20:08:21 |
| R54.htm | 252026 | 2021-03-31 20:08:21 |
| R55.htm | 17206 | 2021-03-31 20:08:21 |
| R56.htm | 20852 | 2021-03-31 20:08:21 |
| R57.htm | 29287 | 2021-03-31 20:08:21 |
| R58.htm | 13219 | 2021-03-31 20:08:21 |
| R59.htm | 68015 | 2021-03-31 20:08:21 |
| R6.htm | 94120 | 2021-03-31 20:08:21 |
| R60.htm | 15556 | 2021-03-31 20:08:21 |
| R61.htm | 33485 | 2021-03-31 20:08:21 |
| R62.htm | 9072 | 2021-03-31 20:08:21 |
| R63.htm | 12655 | 2021-03-31 20:08:21 |
| R64.htm | 16863 | 2021-03-31 20:08:21 |
| R65.htm | 12328 | 2021-03-31 20:08:21 |
| R66.htm | 80652 | 2021-03-31 20:08:21 |
| R67.htm | 8390 | 2021-03-31 20:08:21 |
| R68.htm | 12928 | 2021-03-31 20:08:21 |
| R69.htm | 16817 | 2021-03-31 20:08:21 |
| R7.htm | 5859 | 2021-03-31 20:08:21 |
| R70.htm | 131998 | 2021-03-31 20:08:21 |
| R8.htm | 43634 | 2021-03-31 20:08:21 |
| R9.htm | 5062 | 2021-03-31 20:08:21 |
| report.css | 2767 | 2021-03-31 20:08:21 |
| Show.js | 1085 | 2021-03-31 20:08:21 |
| tcff-20201231.xml | 953579 | 2021-03-31 20:08:21 |
| tcff-20201231.xsd | 56259 | 2021-03-31 20:08:21 |
| tcff-20201231_cal.xml | 69182 | 2021-03-31 20:08:21 |
| tcff-20201231_def.xml | 236350 | 2021-03-31 20:08:21 |
| tcff-20201231_lab.xml | 405720 | 2021-03-31 20:08:21 |
| tcff-20201231_pre.xml | 350389 | 2021-03-31 20:08:21 |