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| 0001493152-19-009439-index.html | 2019-06-19 16:16:06 | |
| 0001493152-19-009439.txt | 2019-06-19 16:16:06 | |
 0001493152-19-009439-xbrl.zip | 74778 | 2019-06-19 16:16:06 |
| ex10-1.htm | 51457 | 2019-06-19 16:16:06 |
| ex10-2.htm | 43639 | 2019-06-19 16:16:06 |
| ex31-1.htm | 18346 | 2019-06-19 16:16:06 |
| ex32-1.htm | 9924 | 2019-06-19 16:16:06 |
| FilingSummary.xml | 27474 | 2019-06-19 16:16:06 |
| Financial_Report.xlsx | 52002 | 2019-06-19 16:16:06 |
| form10-q.htm | 593229 | 2019-06-19 16:16:06 |
| jva-20190430.xml | 323259 | 2019-06-19 16:16:06 |
| jva-20190430.xsd | 37705 | 2019-06-19 16:16:06 |
| jva-20190430_cal.xml | 55183 | 2019-06-19 16:16:06 |
| jva-20190430_def.xml | 87644 | 2019-06-19 16:16:06 |
| jva-20190430_lab.xml | 257470 | 2019-06-19 16:16:06 |
| jva-20190430_pre.xml | 183504 | 2019-06-19 16:16:06 |
| R1.htm | 31236 | 2019-06-19 16:16:06 |
| R10.htm | 11094 | 2019-06-19 16:16:06 |
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| R30.htm | 4178 | 2019-06-19 16:16:06 |
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| R9.htm | 15122 | 2019-06-19 16:16:06 |
| report.css | 2767 | 2019-06-19 16:16:06 |
| Show.js | 1085 | 2019-06-19 16:16:06 |