Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-19-010452-index-headers.html | 2019-04-01 17:11:23 | |
| 0001564590-19-010452-index.html | 2019-04-01 17:11:23 | |
| 0001564590-19-010452.txt | 2019-04-01 17:11:23 | |
 0001564590-19-010452-xbrl.zip | 198435 | 2019-04-01 17:11:23 |
| FilingSummary.xml | 45602 | 2019-04-01 17:11:23 |
| Financial_Report.xlsx | 98137 | 2019-04-01 17:11:23 |
 gyddj0mjzjo5000001.jpg | 34881 | 2019-04-01 17:11:23 |
 gyddj0mjzjo5000002.jpg | 12802 | 2019-04-01 17:11:23 |
 gyddj0mjzjo5000003.jpg | 32273 | 2019-04-01 17:11:23 |
 gyddj0mjzjo5000004.jpg | 20421 | 2019-04-01 17:11:23 |
 gyddj0mjzjo5000005.jpg | 21063 | 2019-04-01 17:11:23 |
| R1.htm | 37449 | 2019-04-01 17:11:23 |
| R10.htm | 38998 | 2019-04-01 17:11:23 |
| R11.htm | 309419 | 2019-04-01 17:11:23 |
| R12.htm | 15002 | 2019-04-01 17:11:23 |
| R13.htm | 7515 | 2019-04-01 17:11:23 |
| R14.htm | 46879 | 2019-04-01 17:11:23 |
| R15.htm | 6575 | 2019-04-01 17:11:23 |
| R16.htm | 6829 | 2019-04-01 17:11:23 |
| R17.htm | 21512 | 2019-04-01 17:11:23 |
| R18.htm | 120052 | 2019-04-01 17:11:23 |
| R19.htm | 26434 | 2019-04-01 17:11:23 |
| R2.htm | 68923 | 2019-04-01 17:11:23 |
| R20.htm | 6177 | 2019-04-01 17:11:23 |
| R21.htm | 174638 | 2019-04-01 17:11:23 |
| R22.htm | 5509 | 2019-04-01 17:11:23 |
| R23.htm | 38944 | 2019-04-01 17:11:23 |
| R24.htm | 21279 | 2019-04-01 17:11:23 |
| R25.htm | 6332 | 2019-04-01 17:11:23 |
| R26.htm | 5011 | 2019-04-01 17:11:23 |
| R27.htm | 178564 | 2019-04-01 17:11:23 |
| R28.htm | 86887 | 2019-04-01 17:11:23 |
| R29.htm | 37791 | 2019-04-01 17:11:23 |
| R3.htm | 10686 | 2019-04-01 17:11:23 |
| R30.htm | 312050 | 2019-04-01 17:11:23 |
| R31.htm | 45000 | 2019-04-01 17:11:23 |
| R32.htm | 99863 | 2019-04-01 17:11:23 |
| R33.htm | 18761 | 2019-04-01 17:11:23 |
| R34.htm | 174409 | 2019-04-01 17:11:23 |
| R35.htm | 39145 | 2019-04-01 17:11:23 |
| R36.htm | 20904 | 2019-04-01 17:11:23 |
| R37.htm | 30842 | 2019-04-01 17:11:23 |
| R38.htm | 30037 | 2019-04-01 17:11:23 |
| R39.htm | 7276 | 2019-04-01 17:11:23 |
| R4.htm | 62593 | 2019-04-01 17:11:23 |
| R40.htm | 16660 | 2019-04-01 17:11:23 |
| R41.htm | 26216 | 2019-04-01 17:11:23 |
| R42.htm | 20966 | 2019-04-01 17:11:23 |
| R43.htm | 5042 | 2019-04-01 17:11:23 |
| R44.htm | 30594 | 2019-04-01 17:11:23 |
| R45.htm | 7226 | 2019-04-01 17:11:23 |
| R46.htm | 41511 | 2019-04-01 17:11:23 |
| R47.htm | 25173 | 2019-04-01 17:11:23 |
| R48.htm | 18597 | 2019-04-01 17:11:23 |
| R49.htm | 16853 | 2019-04-01 17:11:23 |
| R5.htm | 66447 | 2019-04-01 17:11:23 |
| R50.htm | 24691 | 2019-04-01 17:11:23 |
| R51.htm | 19355 | 2019-04-01 17:11:23 |
| R52.htm | 5795 | 2019-04-01 17:11:23 |
| R53.htm | 5307 | 2019-04-01 17:11:23 |
| R54.htm | 25865 | 2019-04-01 17:11:23 |
| R55.htm | 168300 | 2019-04-01 17:11:23 |
| R56.htm | 106147 | 2019-04-01 17:11:23 |
| R57.htm | 34616 | 2019-04-01 17:11:23 |
| R58.htm | 11146 | 2019-04-01 17:11:23 |
| R59.htm | 34137 | 2019-04-01 17:11:23 |
| R6.htm | 112810 | 2019-04-01 17:11:23 |
| R60.htm | 16984 | 2019-04-01 17:11:23 |
| R61.htm | 8444 | 2019-04-01 17:11:23 |
| R62.htm | 10092 | 2019-04-01 17:11:23 |
| R63.htm | 31321 | 2019-04-01 17:11:23 |
| R64.htm | 26934 | 2019-04-01 17:11:23 |
| R65.htm | 27912 | 2019-04-01 17:11:23 |
| R66.htm | 33161 | 2019-04-01 17:11:23 |
| R67.htm | 11519 | 2019-04-01 17:11:23 |
| R68.htm | 19701 | 2019-04-01 17:11:23 |
| R69.htm | 10190 | 2019-04-01 17:11:23 |
| R7.htm | 11060 | 2019-04-01 17:11:23 |
| R70.htm | 9582 | 2019-04-01 17:11:23 |
| R8.htm | 113260 | 2019-04-01 17:11:23 |
| R9.htm | 12575 | 2019-04-01 17:11:23 |
| report.css | 2767 | 2019-04-01 17:11:23 |
| rkda-10k_20181231.htm | 2726759 | 2019-04-01 17:11:23 |
| rkda-20181231.xml | 2259605 | 2019-04-01 17:11:23 |
| rkda-20181231.xsd | 74617 | 2019-04-01 17:11:23 |
| rkda-20181231_cal.xml | 72743 | 2019-04-01 17:11:23 |
| rkda-20181231_def.xml | 261484 | 2019-04-01 17:11:23 |
| rkda-20181231_lab.xml | 593378 | 2019-04-01 17:11:23 |
| rkda-20181231_pre.xml | 448643 | 2019-04-01 17:11:23 |
| rkda-ex311_6.htm | 19235 | 2019-04-01 17:11:23 |
| rkda-ex312_7.htm | 19228 | 2019-04-01 17:11:23 |
| rkda-ex321_9.htm | 7797 | 2019-04-01 17:11:23 |
| rkda-ex322_8.htm | 7865 | 2019-04-01 17:11:23 |
| Show.js | 1085 | 2019-04-01 17:11:23 |