Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-014231-index-headers.html | 2021-03-18 19:34:00 | |
| 0001564590-21-014231-index.html | 2021-03-18 19:34:00 | |
| 0001564590-21-014231.txt | 2021-03-18 19:34:00 | |
 0001564590-21-014231-xbrl.zip | 721370 | 2021-03-18 19:34:00 |
| FilingSummary.xml | 57695 | 2021-03-18 19:34:00 |
| Financial_Report.xlsx | 134168 | 2021-03-18 19:34:00 |
| MetaLinks.json | 985714 | 2021-03-18 19:34:00 |
| R1.htm | 68504 | 2021-03-18 19:34:00 |
| R10.htm | 44800 | 2021-03-18 19:34:00 |
| R11.htm | 35157 | 2021-03-18 19:34:00 |
| R12.htm | 272996 | 2021-03-18 19:34:00 |
| R13.htm | 89182 | 2021-03-18 19:34:00 |
| R14.htm | 34412 | 2021-03-18 19:34:00 |
| R15.htm | 62234 | 2021-03-18 19:34:00 |
| R16.htm | 23177 | 2021-03-18 19:34:00 |
| R17.htm | 96618 | 2021-03-18 19:34:00 |
| R18.htm | 7431 | 2021-03-18 19:34:00 |
| R19.htm | 7009 | 2021-03-18 19:34:00 |
| R2.htm | 121015 | 2021-03-18 19:34:00 |
| R20.htm | 10942 | 2021-03-18 19:34:00 |
| R21.htm | 240577 | 2021-03-18 19:34:00 |
| R22.htm | 180147 | 2021-03-18 19:34:00 |
| R23.htm | 67670 | 2021-03-18 19:34:00 |
| R24.htm | 240339 | 2021-03-18 19:34:00 |
| R25.htm | 63158 | 2021-03-18 19:34:00 |
| R26.htm | 8417 | 2021-03-18 19:34:00 |
| R27.htm | 125298 | 2021-03-18 19:34:00 |
| R28.htm | 17285 | 2021-03-18 19:34:00 |
| R29.htm | 44361 | 2021-03-18 19:34:00 |
| R3.htm | 11200 | 2021-03-18 19:34:00 |
| R30.htm | 33499 | 2021-03-18 19:34:00 |
| R31.htm | 264390 | 2021-03-18 19:34:00 |
| R32.htm | 84528 | 2021-03-18 19:34:00 |
| R33.htm | 35751 | 2021-03-18 19:34:00 |
| R34.htm | 54728 | 2021-03-18 19:34:00 |
| R35.htm | 21976 | 2021-03-18 19:34:00 |
| R36.htm | 97796 | 2021-03-18 19:34:00 |
| R37.htm | 235155 | 2021-03-18 19:34:00 |
| R38.htm | 171055 | 2021-03-18 19:34:00 |
| R39.htm | 66479 | 2021-03-18 19:34:00 |
| R4.htm | 89073 | 2021-03-18 19:34:00 |
| R40.htm | 242174 | 2021-03-18 19:34:00 |
| R41.htm | 62225 | 2021-03-18 19:34:00 |
| R42.htm | 13223 | 2021-03-18 19:34:00 |
| R43.htm | 10835 | 2021-03-18 19:34:00 |
| R44.htm | 30414 | 2021-03-18 19:34:00 |
| R45.htm | 17700 | 2021-03-18 19:34:00 |
| R46.htm | 20684 | 2021-03-18 19:34:00 |
| R47.htm | 5627 | 2021-03-18 19:34:00 |
| R48.htm | 20695 | 2021-03-18 19:34:00 |
| R49.htm | 4949 | 2021-03-18 19:34:00 |
| R5.htm | 56419 | 2021-03-18 19:34:00 |
| R50.htm | 81531 | 2021-03-18 19:34:00 |
| R51.htm | 62142 | 2021-03-18 19:34:00 |
| R52.htm | 9962 | 2021-03-18 19:34:00 |
| R53.htm | 7230 | 2021-03-18 19:34:00 |
| R54.htm | 8679 | 2021-03-18 19:34:00 |
| R55.htm | 90552 | 2021-03-18 19:34:00 |
| R56.htm | 4236 | 2021-03-18 19:34:00 |
| R57.htm | 47976 | 2021-03-18 19:34:00 |
| R58.htm | 61055 | 2021-03-18 19:34:00 |
| R59.htm | 14595 | 2021-03-18 19:34:00 |
| R6.htm | 94219 | 2021-03-18 19:34:00 |
| R60.htm | 16966 | 2021-03-18 19:34:00 |
| R61.htm | 5191 | 2021-03-18 19:34:00 |
| R62.htm | 18335 | 2021-03-18 19:34:00 |
| R63.htm | 28965 | 2021-03-18 19:34:00 |
| R64.htm | 50600 | 2021-03-18 19:34:00 |
| R65.htm | 20120 | 2021-03-18 19:34:00 |
| R66.htm | 11756 | 2021-03-18 19:34:00 |
| R67.htm | 4608 | 2021-03-18 19:34:00 |
| R68.htm | 11489 | 2021-03-18 19:34:00 |
| R69.htm | 21318 | 2021-03-18 19:34:00 |
| R7.htm | 11526 | 2021-03-18 19:34:00 |
| R70.htm | 29722 | 2021-03-18 19:34:00 |
| R71.htm | 7856 | 2021-03-18 19:34:00 |
| R72.htm | 5643 | 2021-03-18 19:34:00 |
| R73.htm | 28299 | 2021-03-18 19:34:00 |
| R74.htm | 21121 | 2021-03-18 19:34:00 |
| R75.htm | 42462 | 2021-03-18 19:34:00 |
| R76.htm | 24564 | 2021-03-18 19:34:00 |
| R77.htm | 29161 | 2021-03-18 19:34:00 |
| R78.htm | 28057 | 2021-03-18 19:34:00 |
| R79.htm | 59305 | 2021-03-18 19:34:00 |
| R8.htm | 9952 | 2021-03-18 19:34:00 |
| R80.htm | 37302 | 2021-03-18 19:34:00 |
| R81.htm | 42995 | 2021-03-18 19:34:00 |
| R82.htm | 15468 | 2021-03-18 19:34:00 |
| R83.htm | 55897 | 2021-03-18 19:34:00 |
| R84.htm | 20684 | 2021-03-18 19:34:00 |
| R85.htm | 41444 | 2021-03-18 19:34:00 |
| R86.htm | 23590 | 2021-03-18 19:34:00 |
| R87.htm | 22875 | 2021-03-18 19:34:00 |
| R88.htm | 50646 | 2021-03-18 19:34:00 |
| R9.htm | 65637 | 2021-03-18 19:34:00 |
| report.css | 2768 | 2021-03-18 19:34:00 |
| Show.js | 1086 | 2021-03-18 19:34:00 |
| vff-10ka_20201231.htm | 6361469 | 2021-03-18 19:34:00 |
| vff-10ka_20201231_htm.xml | 3532182 | 2021-03-18 19:34:00 |
| vff-20201231.xsd | 102365 | 2021-03-18 19:34:00 |
| vff-20201231_cal.xml | 133732 | 2021-03-18 19:34:00 |
| vff-20201231_def.xml | 352264 | 2021-03-18 19:34:00 |
| vff-20201231_lab.xml | 752922 | 2021-03-18 19:34:00 |
| vff-20201231_pre.xml | 605639 | 2021-03-18 19:34:00 |
| vff-ex1017_10.htm | 4286014 | 2021-03-18 19:34:00 |
| vff-ex311_26.htm | 12776 | 2021-03-18 19:34:00 |
| vff-ex312_27.htm | 12767 | 2021-03-18 19:34:00 |
| vff-ex321_28.htm | 8586 | 2021-03-18 19:34:00 |
| vff-ex322_29.htm | 8581 | 2021-03-18 19:34:00 |