Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-20-005421-index-headers.html | 2020-03-31 11:34:02 | |
| 0001493152-20-005421-index.html | 2020-03-31 11:34:02 | |
| 0001493152-20-005421.txt | 2020-03-31 11:34:02 | |
 0001493152-20-005421-xbrl.zip | 30586 | 2020-03-31 11:34:02 |
| ex10-3.htm | 17260 | 2020-03-31 11:34:02 |
 ex10-3_001.jpg | 104132 | 2020-03-31 11:34:02 |
 ex10-3_002.jpg | 56078 | 2020-03-31 11:34:02 |
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 ex10-3_017.jpg | 61743 | 2020-03-31 11:34:02 |
 ex10-3_018.jpg | 34286 | 2020-03-31 11:34:02 |
| ex31-1.htm | 11533 | 2020-03-31 11:34:02 |
| ex31-2.htm | 11731 | 2020-03-31 11:34:02 |
| ex32-1.htm | 5887 | 2020-03-31 11:34:02 |
| ex32-2.htm | 5818 | 2020-03-31 11:34:02 |
| ex4-1.htm | 7904 | 2020-03-31 11:34:02 |
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 ex4-1_008.jpg | 75261 | 2020-03-31 11:34:02 |
| FilingSummary.xml | 14884 | 2020-03-31 11:34:02 |
| Financial_Report.xlsx | 25267 | 2020-03-31 11:34:02 |
| form10-k.htm | 513250 | 2020-03-31 11:34:02 |
 form10-k_001.jpg | 23865 | 2020-03-31 11:34:02 |
 form10-k_002.jpg | 7507 | 2020-03-31 11:34:02 |
| R1.htm | 35377 | 2020-03-31 11:34:02 |
| R10.htm | 13491 | 2020-03-31 11:34:02 |
| R11.htm | 5372 | 2020-03-31 11:34:02 |
| R12.htm | 5964 | 2020-03-31 11:34:02 |
| R13.htm | 29350 | 2020-03-31 11:34:02 |
| R14.htm | 14655 | 2020-03-31 11:34:02 |
| R15.htm | 8883 | 2020-03-31 11:34:02 |
| R16.htm | 5164 | 2020-03-31 11:34:02 |
| R17.htm | 5328 | 2020-03-31 11:34:02 |
| R18.htm | 4221 | 2020-03-31 11:34:02 |
| R19.htm | 14179 | 2020-03-31 11:34:02 |
| R2.htm | 34650 | 2020-03-31 11:34:02 |
| R20.htm | 5087 | 2020-03-31 11:34:02 |
| R21.htm | 8813 | 2020-03-31 11:34:02 |
| R22.htm | 12187 | 2020-03-31 11:34:02 |
| R23.htm | 13183 | 2020-03-31 11:34:02 |
| R3.htm | 18930 | 2020-03-31 11:34:02 |
| R4.htm | 28429 | 2020-03-31 11:34:02 |
| R5.htm | 11873 | 2020-03-31 11:34:02 |
| R6.htm | 34770 | 2020-03-31 11:34:02 |
| R7.htm | 5997 | 2020-03-31 11:34:02 |
| R8.htm | 6652 | 2020-03-31 11:34:02 |
| R9.htm | 13699 | 2020-03-31 11:34:02 |
| report.css | 2767 | 2020-03-31 11:34:02 |
| Show.js | 1085 | 2020-03-31 11:34:02 |
| vdh-20191231.xml | 91359 | 2020-03-31 11:34:02 |
| vdh-20191231.xsd | 16060 | 2020-03-31 11:34:02 |
| vdh-20191231_cal.xml | 24304 | 2020-03-31 11:34:02 |
| vdh-20191231_def.xml | 26979 | 2020-03-31 11:34:02 |
| vdh-20191231_lab.xml | 97806 | 2020-03-31 11:34:02 |
| vdh-20191231_pre.xml | 77059 | 2020-03-31 11:34:02 |