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| 0001564590-20-043418-index.html | 2020-09-14 16:15:31 | |
| 0001564590-20-043418.txt | 2020-09-14 16:15:31 | |
 0001564590-20-043418-xbrl.zip | 63143 | 2020-09-14 16:15:31 |
| FilingSummary.xml | 17712 | 2020-09-14 16:15:31 |
| Financial_Report.xlsx | 38323 | 2020-09-14 16:15:31 |
| kalv-10q_20200731.htm | 1042706 | 2020-09-14 16:15:31 |
| kalv-20200731.xml | 685958 | 2020-09-14 16:15:31 |
| kalv-20200731.xsd | 23994 | 2020-09-14 16:15:31 |
| kalv-20200731_cal.xml | 45446 | 2020-09-14 16:15:31 |
| kalv-20200731_def.xml | 45628 | 2020-09-14 16:15:31 |
| kalv-20200731_lab.xml | 207179 | 2020-09-14 16:15:31 |
| kalv-20200731_pre.xml | 143207 | 2020-09-14 16:15:31 |
| kalv-ex311_6.htm | 21338 | 2020-09-14 16:15:31 |
| kalv-ex312_8.htm | 19917 | 2020-09-14 16:15:31 |
| kalv-ex321_7.htm | 9538 | 2020-09-14 16:15:31 |
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| R8.htm | 104898 | 2020-09-14 16:15:31 |
| R9.htm | 78029 | 2020-09-14 16:15:31 |
| report.css | 2767 | 2020-09-14 16:15:31 |
| Show.js | 1085 | 2020-09-14 16:15:31 |