Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-24-006368-index-headers.html | 2024-05-15 13:58:27 | |
| 0001654954-24-006368-index.html | 2024-05-15 13:58:27 | |
| 0001654954-24-006368.txt | 2024-05-15 13:58:27 | |
 0001654954-24-006368-xbrl.zip | 268754 | 2024-05-15 13:58:27 |
| FilingSummary.xml | 44033 | 2024-05-15 13:58:27 |
| Financial_Report.xlsx | 118020 | 2024-05-15 13:58:27 |
| king-20240331.xsd | 96901 | 2024-05-15 13:58:27 |
| king-20240331_cal.xml | 61871 | 2024-05-15 13:58:27 |
| king-20240331_def.xml | 251151 | 2024-05-15 13:58:27 |
| king-20240331_lab.xml | 450092 | 2024-05-15 13:58:27 |
| king-20240331_pre.xml | 392953 | 2024-05-15 13:58:27 |
| king_10q.htm | 2873241 | 2024-05-15 13:58:27 |
 king_10qimg137.jpg | 42806 | 2024-05-15 13:58:27 |
| king_10q_htm.xml | 2815375 | 2024-05-15 13:58:27 |
| king_ex31a.htm | 9886 | 2024-05-15 13:58:27 |
| king_ex31b.htm | 10049 | 2024-05-15 13:58:27 |
| king_ex32.htm | 4411 | 2024-05-15 13:58:27 |
| MetaLinks.json | 784602 | 2024-05-15 13:58:27 |
| R1.htm | 51514 | 2024-05-15 13:58:27 |
| R10.htm | 81395 | 2024-05-15 13:58:27 |
| R11.htm | 24288 | 2024-05-15 13:58:27 |
| R12.htm | 353056 | 2024-05-15 13:58:27 |
| R13.htm | 47421 | 2024-05-15 13:58:27 |
| R14.htm | 65720 | 2024-05-15 13:58:27 |
| R15.htm | 50199 | 2024-05-15 13:58:27 |
| R16.htm | 19980 | 2024-05-15 13:58:27 |
| R17.htm | 35627 | 2024-05-15 13:58:27 |
| R18.htm | 8509 | 2024-05-15 13:58:27 |
| R19.htm | 9839 | 2024-05-15 13:58:27 |
| R2.htm | 99301 | 2024-05-15 13:58:27 |
| R20.htm | 20412 | 2024-05-15 13:58:27 |
| R21.htm | 430241 | 2024-05-15 13:58:27 |
| R22.htm | 80622 | 2024-05-15 13:58:27 |
| R23.htm | 23021 | 2024-05-15 13:58:27 |
| R24.htm | 331900 | 2024-05-15 13:58:27 |
| R25.htm | 33735 | 2024-05-15 13:58:27 |
| R26.htm | 54536 | 2024-05-15 13:58:27 |
| R27.htm | 41985 | 2024-05-15 13:58:27 |
| R28.htm | 17362 | 2024-05-15 13:58:27 |
| R29.htm | 15477 | 2024-05-15 13:58:27 |
| R3.htm | 25818 | 2024-05-15 13:58:27 |
| R30.htm | 3951 | 2024-05-15 13:58:27 |
| R31.htm | 8050 | 2024-05-15 13:58:27 |
| R32.htm | 29568 | 2024-05-15 13:58:27 |
| R33.htm | 13428 | 2024-05-15 13:58:27 |
| R34.htm | 22908 | 2024-05-15 13:58:27 |
| R35.htm | 23012 | 2024-05-15 13:58:27 |
| R36.htm | 11603 | 2024-05-15 13:58:27 |
| R37.htm | 12548 | 2024-05-15 13:58:27 |
| R38.htm | 23744 | 2024-05-15 13:58:27 |
| R39.htm | 33528 | 2024-05-15 13:58:27 |
| R4.htm | 100218 | 2024-05-15 13:58:27 |
| R40.htm | 10409 | 2024-05-15 13:58:27 |
| R41.htm | 23325 | 2024-05-15 13:58:27 |
| R42.htm | 4700 | 2024-05-15 13:58:27 |
| R43.htm | 8360 | 2024-05-15 13:58:27 |
| R44.htm | 21153 | 2024-05-15 13:58:27 |
| R45.htm | 13301 | 2024-05-15 13:58:27 |
| R46.htm | 22820 | 2024-05-15 13:58:27 |
| R47.htm | 51024 | 2024-05-15 13:58:27 |
| R48.htm | 51934 | 2024-05-15 13:58:27 |
| R49.htm | 10937 | 2024-05-15 13:58:27 |
| R5.htm | 41357 | 2024-05-15 13:58:27 |
| R50.htm | 27093 | 2024-05-15 13:58:27 |
| R51.htm | 15010 | 2024-05-15 13:58:27 |
| R52.htm | 7431 | 2024-05-15 13:58:27 |
| R53.htm | 20841 | 2024-05-15 13:58:27 |
| R54.htm | 5913 | 2024-05-15 13:58:27 |
| R55.htm | 7164 | 2024-05-15 13:58:27 |
| R56.htm | 7317 | 2024-05-15 13:58:27 |
| R57.htm | 17322 | 2024-05-15 13:58:27 |
| R58.htm | 44382 | 2024-05-15 13:58:27 |
| R59.htm | 7948 | 2024-05-15 13:58:27 |
| R6.htm | 101945 | 2024-05-15 13:58:27 |
| R60.htm | 38243 | 2024-05-15 13:58:27 |
| R61.htm | 26914 | 2024-05-15 13:58:27 |
| R62.htm | 30547 | 2024-05-15 13:58:27 |
| R63.htm | 29709 | 2024-05-15 13:58:27 |
| R64.htm | 12648 | 2024-05-15 13:58:27 |
| R65.htm | 16917 | 2024-05-15 13:58:27 |
| R66.htm | 12955 | 2024-05-15 13:58:27 |
| R67.htm | 11708 | 2024-05-15 13:58:27 |
| R68.htm | 36784 | 2024-05-15 13:58:27 |
| R69.htm | 11042 | 2024-05-15 13:58:27 |
| R7.htm | 8981 | 2024-05-15 13:58:27 |
| R70.htm | 14178 | 2024-05-15 13:58:27 |
| R8.htm | 13618 | 2024-05-15 13:58:27 |
| R9.htm | 423798 | 2024-05-15 13:58:27 |
| report.css | 2767 | 2024-05-15 13:58:27 |
| Show.js | 1085 | 2024-05-15 13:58:27 |