Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001615219-19-000008-index-headers.html | 2019-03-06 16:11:11 | |
| 0001615219-19-000008-index.html | 2019-03-06 16:11:11 | |
| 0001615219-19-000008.txt | 2019-03-06 16:11:11 | |
 0001615219-19-000008-xbrl.zip | 223757 | 2019-03-06 16:11:11 |
| FilingSummary.xml | 41953 | 2019-03-06 16:11:11 |
| Financial_Report.xlsx | 98594 | 2019-03-06 16:11:11 |
| flks-20181231.xml | 1528132 | 2019-03-06 16:11:11 |
| flks-20181231.xsd | 49482 | 2019-03-06 16:11:11 |
| flks-20181231_cal.xml | 80656 | 2019-03-06 16:11:11 |
| flks-20181231_def.xml | 272897 | 2019-03-06 16:11:11 |
| flks-20181231_lab.xml | 712438 | 2019-03-06 16:11:11 |
| flks-20181231_pre.xml | 442969 | 2019-03-06 16:11:11 |
| flks2018123110-k.htm | 1697191 | 2019-03-06 16:11:11 |
| flks20181231ex-211.htm | 4508 | 2019-03-06 16:11:11 |
| flks20181231ex-231.htm | 8799 | 2019-03-06 16:11:11 |
| flks20181231ex-311.htm | 10968 | 2019-03-06 16:11:11 |
| flks20181231ex-312.htm | 11012 | 2019-03-06 16:11:11 |
| flks20181231ex321.htm | 9327 | 2019-03-06 16:11:11 |
| R1.htm | 35868 | 2019-03-06 16:11:11 |
| R10.htm | 17939 | 2019-03-06 16:11:11 |
| R11.htm | 5977 | 2019-03-06 16:11:11 |
| R12.htm | 47946 | 2019-03-06 16:11:11 |
| R13.htm | 34761 | 2019-03-06 16:11:11 |
| R14.htm | 16945 | 2019-03-06 16:11:11 |
| R15.htm | 24577 | 2019-03-06 16:11:11 |
| R16.htm | 37380 | 2019-03-06 16:11:11 |
| R17.htm | 12380 | 2019-03-06 16:11:11 |
| R18.htm | 5135 | 2019-03-06 16:11:11 |
| R19.htm | 46628 | 2019-03-06 16:11:11 |
| R2.htm | 67180 | 2019-03-06 16:11:11 |
| R20.htm | 76053 | 2019-03-06 16:11:11 |
| R21.htm | 65855 | 2019-03-06 16:11:11 |
| R22.htm | 17035 | 2019-03-06 16:11:11 |
| R23.htm | 39152 | 2019-03-06 16:11:11 |
| R24.htm | 9436 | 2019-03-06 16:11:11 |
| R25.htm | 102288 | 2019-03-06 16:11:11 |
| R26.htm | 16535 | 2019-03-06 16:11:11 |
| R27.htm | 116058 | 2019-03-06 16:11:11 |
| R28.htm | 50013 | 2019-03-06 16:11:11 |
| R29.htm | 41715 | 2019-03-06 16:11:11 |
| R3.htm | 19010 | 2019-03-06 16:11:11 |
| R30.htm | 27539 | 2019-03-06 16:11:11 |
| R31.htm | 14153 | 2019-03-06 16:11:11 |
| R32.htm | 25374 | 2019-03-06 16:11:11 |
| R33.htm | 44098 | 2019-03-06 16:11:11 |
| R34.htm | 42462 | 2019-03-06 16:11:11 |
| R35.htm | 63714 | 2019-03-06 16:11:11 |
| R36.htm | 57262 | 2019-03-06 16:11:11 |
| R37.htm | 15610 | 2019-03-06 16:11:11 |
| R38.htm | 36976 | 2019-03-06 16:11:11 |
| R39.htm | 100238 | 2019-03-06 16:11:11 |
| R4.htm | 32187 | 2019-03-06 16:11:11 |
| R40.htm | 12238 | 2019-03-06 16:11:11 |
| R41.htm | 18810 | 2019-03-06 16:11:11 |
| R42.htm | 14443 | 2019-03-06 16:11:11 |
| R43.htm | 15837 | 2019-03-06 16:11:11 |
| R44.htm | 25826 | 2019-03-06 16:11:11 |
| R45.htm | 12044 | 2019-03-06 16:11:11 |
| R46.htm | 39748 | 2019-03-06 16:11:11 |
| R47.htm | 30729 | 2019-03-06 16:11:11 |
| R48.htm | 12858 | 2019-03-06 16:11:11 |
| R49.htm | 30160 | 2019-03-06 16:11:11 |
| R5.htm | 13512 | 2019-03-06 16:11:11 |
| R50.htm | 15595 | 2019-03-06 16:11:11 |
| R51.htm | 54596 | 2019-03-06 16:11:11 |
| R52.htm | 16062 | 2019-03-06 16:11:11 |
| R53.htm | 23393 | 2019-03-06 16:11:11 |
| R54.htm | 6366 | 2019-03-06 16:11:11 |
| R55.htm | 41866 | 2019-03-06 16:11:11 |
| R56.htm | 34042 | 2019-03-06 16:11:11 |
| R57.htm | 11921 | 2019-03-06 16:11:11 |
| R58.htm | 72059 | 2019-03-06 16:11:11 |
| R59.htm | 54606 | 2019-03-06 16:11:11 |
| R6.htm | 46414 | 2019-03-06 16:11:11 |
| R60.htm | 19660 | 2019-03-06 16:11:11 |
| R61.htm | 10563 | 2019-03-06 16:11:11 |
| R62.htm | 16710 | 2019-03-06 16:11:11 |
| R63.htm | 29186 | 2019-03-06 16:11:11 |
| R64.htm | 28938 | 2019-03-06 16:11:11 |
| R65.htm | 10523 | 2019-03-06 16:11:11 |
| R66.htm | 30260 | 2019-03-06 16:11:11 |
| R67.htm | 23640 | 2019-03-06 16:11:11 |
| R68.htm | 39381 | 2019-03-06 16:11:11 |
| R69.htm | 31475 | 2019-03-06 16:11:11 |
| R7.htm | 66651 | 2019-03-06 16:11:11 |
| R8.htm | 11767 | 2019-03-06 16:11:11 |
| R9.htm | 60754 | 2019-03-06 16:11:11 |
| R9999.htm | 4620 | 2019-03-06 16:11:11 |
| report.css | 2767 | 2019-03-06 16:11:11 |
| Show.js | 1085 | 2019-03-06 16:11:11 |