Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001758021-25-000009-index-headers.html | 2025-11-07 13:18:37 | |
| 0001758021-25-000009-index.html | 2025-11-07 13:18:37 | |
| 0001758021-25-000009.txt | 2025-11-07 13:18:37 | |
 0001758021-25-000009-xbrl.zip | 232416 | 2025-11-07 13:18:37 |
| FilingSummary.xml | 39477 | 2025-11-07 13:18:37 |
| krt-20250930.htm | 1196900 | 2025-11-07 13:18:37 |
| krt-20250930.xsd | 42668 | 2025-11-07 13:18:37 |
| krt-20250930_cal.xml | 96398 | 2025-11-07 13:18:37 |
| krt-20250930_def.xml | 231326 | 2025-11-07 13:18:37 |
| krt-20250930_htm.xml | 888809 | 2025-11-07 13:18:37 |
| krt-20250930_lab.xml | 658329 | 2025-11-07 13:18:37 |
| krt-20250930_pre.xml | 476321 | 2025-11-07 13:18:37 |
| krt20250930ex311ceo302cert.htm | 10582 | 2025-11-07 13:18:37 |
| krt20250930ex312cfo302cert.htm | 10920 | 2025-11-07 13:18:37 |
| krt20250930ex321ceo906cert.htm | 5143 | 2025-11-07 13:18:37 |
| krt20250930ex322cfo906cert.htm | 5124 | 2025-11-07 13:18:37 |
| lineofcredit-changeinter.htm | 1146 | 2025-11-07 13:18:37 |
 lineofcredit-changeinter001.jpg | 236617 | 2025-11-07 13:18:37 |
 lineofcredit-changeinter002.jpg | 50589 | 2025-11-07 13:18:37 |
| MetaLinks.json | 974464 | 2025-11-07 13:18:37 |
| R1.htm | 53289 | 2025-11-07 13:18:37 |
| R10.htm | 7940 | 2025-11-07 13:18:37 |
| R11.htm | 78968 | 2025-11-07 13:18:37 |
| R12.htm | 13315 | 2025-11-07 13:18:37 |
| R13.htm | 20187 | 2025-11-07 13:18:37 |
| R14.htm | 9838 | 2025-11-07 13:18:37 |
| R15.htm | 30200 | 2025-11-07 13:18:37 |
| R16.htm | 18468 | 2025-11-07 13:18:37 |
| R17.htm | 30200 | 2025-11-07 13:18:37 |
| R18.htm | 31140 | 2025-11-07 13:18:37 |
| R19.htm | 35010 | 2025-11-07 13:18:37 |
| R2.htm | 159835 | 2025-11-07 13:18:37 |
| R20.htm | 36145 | 2025-11-07 13:18:37 |
| R21.htm | 9057 | 2025-11-07 13:18:37 |
| R22.htm | 11499 | 2025-11-07 13:18:37 |
| R23.htm | 8165 | 2025-11-07 13:18:37 |
| R24.htm | 62251 | 2025-11-07 13:18:37 |
| R25.htm | 9757 | 2025-11-07 13:18:37 |
| R26.htm | 8982 | 2025-11-07 13:18:37 |
| R27.htm | 8465 | 2025-11-07 13:18:37 |
| R28.htm | 55352 | 2025-11-07 13:18:37 |
| R29.htm | 54330 | 2025-11-07 13:18:37 |
| R3.htm | 61160 | 2025-11-07 13:18:37 |
| R30.htm | 14276 | 2025-11-07 13:18:37 |
| R31.htm | 18151 | 2025-11-07 13:18:37 |
| R32.htm | 10925 | 2025-11-07 13:18:37 |
| R33.htm | 18059 | 2025-11-07 13:18:37 |
| R34.htm | 23250 | 2025-11-07 13:18:37 |
| R35.htm | 29962 | 2025-11-07 13:18:37 |
| R36.htm | 32127 | 2025-11-07 13:18:37 |
| R37.htm | 37379 | 2025-11-07 13:18:37 |
| R38.htm | 55262 | 2025-11-07 13:18:37 |
| R39.htm | 4155 | 2025-11-07 13:18:37 |
| R4.htm | 123737 | 2025-11-07 13:18:37 |
| R40.htm | 63050 | 2025-11-07 13:18:37 |
| R41.htm | 20699 | 2025-11-07 13:18:37 |
| R42.htm | 23909 | 2025-11-07 13:18:37 |
| R43.htm | 30061 | 2025-11-07 13:18:37 |
| R44.htm | 14209 | 2025-11-07 13:18:37 |
| R45.htm | 28950 | 2025-11-07 13:18:37 |
| R46.htm | 11804 | 2025-11-07 13:18:37 |
| R47.htm | 11212 | 2025-11-07 13:18:37 |
| R48.htm | 41756 | 2025-11-07 13:18:37 |
| R49.htm | 23381 | 2025-11-07 13:18:37 |
| R5.htm | 14439 | 2025-11-07 13:18:37 |
| R50.htm | 39466 | 2025-11-07 13:18:37 |
| R51.htm | 13904 | 2025-11-07 13:18:37 |
| R52.htm | 20969 | 2025-11-07 13:18:37 |
| R53.htm | 29433 | 2025-11-07 13:18:37 |
| R54.htm | 44850 | 2025-11-07 13:18:37 |
| R55.htm | 20452 | 2025-11-07 13:18:37 |
| R56.htm | 49813 | 2025-11-07 13:18:37 |
| R57.htm | 11504 | 2025-11-07 13:18:37 |
| R58.htm | 28792 | 2025-11-07 13:18:37 |
| R59.htm | 13337 | 2025-11-07 13:18:37 |
| R6.htm | 104084 | 2025-11-07 13:18:37 |
| R60.htm | 23725 | 2025-11-07 13:18:37 |
| R61.htm | 29654 | 2025-11-07 13:18:37 |
| R62.htm | 15618 | 2025-11-07 13:18:37 |
| R63.htm | 6474 | 2025-11-07 13:18:37 |
| R64.htm | 92487 | 2025-11-07 13:18:37 |
| R65.htm | 4115 | 2025-11-07 13:18:37 |
| R66.htm | 58625 | 2025-11-07 13:18:37 |
| R7.htm | 4989 | 2025-11-07 13:18:37 |
| R8.htm | 134292 | 2025-11-07 13:18:37 |
| R9.htm | 39760 | 2025-11-07 13:18:37 |
| report.css | 2767 | 2025-11-07 13:18:37 |
| Show.js | 1085 | 2025-11-07 13:18:37 |