Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-21-023165-index-headers.html | 2021-11-12 16:17:27 | |
| 0001628280-21-023165-index.html | 2021-11-12 16:17:27 | |
| 0001628280-21-023165.txt | 2021-11-12 16:17:27 | |
 0001628280-21-023165-xbrl.zip | 302657 | 2021-11-12 16:17:27 |
| FilingSummary.xml | 42489 | 2021-11-12 16:17:27 |
| Financial_Report.xlsx | 114159 | 2021-11-12 16:17:27 |
| krt-20210930.htm | 1597669 | 2021-11-12 16:17:27 |
| krt-20210930.xsd | 53757 | 2021-11-12 16:17:27 |
| krt-20210930x10qex311.htm | 9343 | 2021-11-12 16:17:27 |
| krt-20210930x10qex312.htm | 9345 | 2021-11-12 16:17:27 |
| krt-20210930x10qex321.htm | 4619 | 2021-11-12 16:17:27 |
| krt-20210930x10qex322.htm | 4618 | 2021-11-12 16:17:27 |
| krt-20210930_cal.xml | 89586 | 2021-11-12 16:17:27 |
| krt-20210930_def.xml | 246499 | 2021-11-12 16:17:27 |
| krt-20210930_htm.xml | 1380049 | 2021-11-12 16:17:27 |
| krt-20210930_lab.xml | 697313 | 2021-11-12 16:17:27 |
| krt-20210930_pre.xml | 475774 | 2021-11-12 16:17:27 |
| MetaLinks.json | 742690 | 2021-11-12 16:17:27 |
| R1.htm | 53967 | 2021-11-12 16:17:27 |
| R10.htm | 145582 | 2021-11-12 16:17:27 |
| R11.htm | 10978 | 2021-11-12 16:17:27 |
| R12.htm | 13104 | 2021-11-12 16:17:27 |
| R13.htm | 19330 | 2021-11-12 16:17:27 |
| R14.htm | 54453 | 2021-11-12 16:17:27 |
| R15.htm | 15025 | 2021-11-12 16:17:27 |
| R16.htm | 54453 | 2021-11-12 16:17:27 |
| R17.htm | 7985 | 2021-11-12 16:17:27 |
| R18.htm | 5421 | 2021-11-12 16:17:27 |
| R19.htm | 29889 | 2021-11-12 16:17:27 |
| R2.htm | 136401 | 2021-11-12 16:17:27 |
| R20.htm | 34560 | 2021-11-12 16:17:27 |
| R21.htm | 13217 | 2021-11-12 16:17:27 |
| R22.htm | 8876 | 2021-11-12 16:17:27 |
| R23.htm | 13501 | 2021-11-12 16:17:27 |
| R24.htm | 6193 | 2021-11-12 16:17:27 |
| R25.htm | 6328 | 2021-11-12 16:17:27 |
| R26.htm | 183636 | 2021-11-12 16:17:27 |
| R27.htm | 91310 | 2021-11-12 16:17:27 |
| R28.htm | 8590 | 2021-11-12 16:17:27 |
| R29.htm | 14129 | 2021-11-12 16:17:27 |
| R3.htm | 50056 | 2021-11-12 16:17:27 |
| R30.htm | 18138 | 2021-11-12 16:17:27 |
| R31.htm | 14842 | 2021-11-12 16:17:27 |
| R32.htm | 49809 | 2021-11-12 16:17:27 |
| R33.htm | 27473 | 2021-11-12 16:17:27 |
| R34.htm | 32368 | 2021-11-12 16:17:27 |
| R35.htm | 9918 | 2021-11-12 16:17:27 |
| R36.htm | 4200 | 2021-11-12 16:17:27 |
| R37.htm | 7961 | 2021-11-12 16:17:27 |
| R38.htm | 21106 | 2021-11-12 16:17:27 |
| R39.htm | 15266 | 2021-11-12 16:17:27 |
| R4.htm | 100784 | 2021-11-12 16:17:27 |
| R40.htm | 14883 | 2021-11-12 16:17:27 |
| R41.htm | 30063 | 2021-11-12 16:17:27 |
| R42.htm | 57634 | 2021-11-12 16:17:27 |
| R43.htm | 11544 | 2021-11-12 16:17:27 |
| R44.htm | 22874 | 2021-11-12 16:17:27 |
| R45.htm | 22022 | 2021-11-12 16:17:27 |
| R46.htm | 8807 | 2021-11-12 16:17:27 |
| R47.htm | 20039 | 2021-11-12 16:17:27 |
| R48.htm | 16350 | 2021-11-12 16:17:27 |
| R49.htm | 5667 | 2021-11-12 16:17:27 |
| R5.htm | 9832 | 2021-11-12 16:17:27 |
| R50.htm | 6658 | 2021-11-12 16:17:27 |
| R51.htm | 16393 | 2021-11-12 16:17:27 |
| R52.htm | 14887 | 2021-11-12 16:17:27 |
| R53.htm | 33848 | 2021-11-12 16:17:27 |
| R54.htm | 19270 | 2021-11-12 16:17:27 |
| R55.htm | 22405 | 2021-11-12 16:17:27 |
| R56.htm | 81180 | 2021-11-12 16:17:27 |
| R57.htm | 20637 | 2021-11-12 16:17:27 |
| R58.htm | 10597 | 2021-11-12 16:17:27 |
| R59.htm | 33586 | 2021-11-12 16:17:27 |
| R6.htm | 73534 | 2021-11-12 16:17:27 |
| R60.htm | 7275 | 2021-11-12 16:17:27 |
| R61.htm | 36038 | 2021-11-12 16:17:27 |
| R62.htm | 49082 | 2021-11-12 16:17:27 |
| R63.htm | 24892 | 2021-11-12 16:17:27 |
| R64.htm | 42911 | 2021-11-12 16:17:27 |
| R65.htm | 16844 | 2021-11-12 16:17:27 |
| R66.htm | 18131 | 2021-11-12 16:17:27 |
| R67.htm | 38106 | 2021-11-12 16:17:27 |
| R68.htm | 21649 | 2021-11-12 16:17:27 |
| R69.htm | 23947 | 2021-11-12 16:17:27 |
| R7.htm | 4331 | 2021-11-12 16:17:27 |
| R8.htm | 121008 | 2021-11-12 16:17:27 |
| R9.htm | 7678 | 2021-11-12 16:17:27 |
| report.css | 2767 | 2021-11-12 16:17:27 |
| Show.js | 1085 | 2021-11-12 16:17:27 |