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|---|---|---|
 0001140361-19-020198-index-headers.html | 2019-11-08 17:01:24 | |
| 0001140361-19-020198-index.html | 2019-11-08 17:01:24 | |
| 0001140361-19-020198.txt | 2019-11-08 17:01:24 | |
 0001140361-19-020198-xbrl.zip | 113790 | 2019-11-08 17:01:24 |
| ex31_1.htm | 7270 | 2019-11-08 17:01:24 |
| ex31_2.htm | 7254 | 2019-11-08 17:01:24 |
| ex32_1.htm | 5008 | 2019-11-08 17:01:24 |
| ex32_2.htm | 5029 | 2019-11-08 17:01:24 |
| FilingSummary.xml | 18140 | 2019-11-08 17:01:24 |
| Financial_Report.xlsx | 46576 | 2019-11-08 17:01:24 |
| form10q.htm | 733367 | 2019-11-08 17:01:24 |
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| R1.htm | 30878 | 2019-11-08 17:01:24 |
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| R30.htm | 20602 | 2019-11-08 17:01:24 |
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| R8.htm | 58105 | 2019-11-08 17:01:24 |
| R9.htm | 7629 | 2019-11-08 17:01:24 |
| report.css | 2767 | 2019-11-08 17:01:24 |
| Show.js | 1085 | 2019-11-08 17:01:24 |
| vhc-20190930.xml | 544061 | 2019-11-08 17:01:24 |
| vhc-20190930.xsd | 26814 | 2019-11-08 17:01:24 |
| vhc-20190930_cal.xml | 32677 | 2019-11-08 17:01:24 |
| vhc-20190930_def.xml | 195259 | 2019-11-08 17:01:24 |
| vhc-20190930_lab.xml | 414655 | 2019-11-08 17:01:24 |
| vhc-20190930_pre.xml | 244320 | 2019-11-08 17:01:24 |