Parent Directory| Name | Size | Last Modified |
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 0001564590-20-037301-index-headers.html | 2020-08-06 08:35:40 | |
| 0001564590-20-037301-index.html | 2020-08-06 08:35:40 | |
| 0001564590-20-037301.txt | 2020-08-06 08:35:40 | |
 0001564590-20-037301-xbrl.zip | 62856 | 2020-08-06 08:35:40 |
| evok-10q_20200630.htm | 1097048 | 2020-08-06 08:35:40 |
| evok-20200630.xml | 509634 | 2020-08-06 08:35:40 |
| evok-20200630.xsd | 26974 | 2020-08-06 08:35:40 |
| evok-20200630_cal.xml | 19092 | 2020-08-06 08:35:40 |
| evok-20200630_def.xml | 83302 | 2020-08-06 08:35:40 |
| evok-20200630_lab.xml | 199382 | 2020-08-06 08:35:40 |
| evok-20200630_pre.xml | 151669 | 2020-08-06 08:35:40 |
| evok-ex311_6.htm | 9580 | 2020-08-06 08:35:40 |
| evok-ex312_10.htm | 9865 | 2020-08-06 08:35:40 |
| evok-ex321_12.htm | 5037 | 2020-08-06 08:35:40 |
| evok-ex322_9.htm | 5254 | 2020-08-06 08:35:40 |
| FilingSummary.xml | 16254 | 2020-08-06 08:35:40 |
| Financial_Report.xlsx | 40265 | 2020-08-06 08:35:40 |
| R1.htm | 53824 | 2020-08-06 08:35:40 |
| R10.htm | 113170 | 2020-08-06 08:35:40 |
| R11.htm | 10961 | 2020-08-06 08:35:40 |
| R12.htm | 59957 | 2020-08-06 08:35:40 |
| R13.htm | 40767 | 2020-08-06 08:35:40 |
| R14.htm | 113159 | 2020-08-06 08:35:40 |
| R15.htm | 18718 | 2020-08-06 08:35:40 |
| R16.htm | 13806 | 2020-08-06 08:35:40 |
| R17.htm | 34894 | 2020-08-06 08:35:40 |
| R18.htm | 32090 | 2020-08-06 08:35:40 |
| R19.htm | 20502 | 2020-08-06 08:35:40 |
| R2.htm | 51373 | 2020-08-06 08:35:40 |
| R20.htm | 13336 | 2020-08-06 08:35:40 |
| R21.htm | 10124 | 2020-08-06 08:35:40 |
| R22.htm | 6930 | 2020-08-06 08:35:40 |
| R23.htm | 17604 | 2020-08-06 08:35:40 |
| R3.htm | 10725 | 2020-08-06 08:35:40 |
| R4.htm | 27978 | 2020-08-06 08:35:40 |
| R5.htm | 50198 | 2020-08-06 08:35:40 |
| R6.htm | 35321 | 2020-08-06 08:35:40 |
| R7.htm | 13172 | 2020-08-06 08:35:40 |
| R8.htm | 50280 | 2020-08-06 08:35:40 |
| R9.htm | 7096 | 2020-08-06 08:35:40 |
| report.css | 2767 | 2020-08-06 08:35:40 |
| Show.js | 1085 | 2020-08-06 08:35:40 |