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| 0000950170-22-009809.txt | 2022-05-13 08:31:03 | |
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| ktra-20220331.htm | 3152804 | 2022-05-13 08:31:03 |
| ktra-20220331.xsd | 67100 | 2022-05-13 08:31:03 |
| ktra-20220331_cal.xml | 26735 | 2022-05-13 08:31:03 |
| ktra-20220331_def.xml | 267965 | 2022-05-13 08:31:03 |
| ktra-20220331_htm.xml | 1834826 | 2022-05-13 08:31:03 |
| ktra-20220331_lab.xml | 463657 | 2022-05-13 08:31:03 |
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| ktra-ex31_2.htm | 20373 | 2022-05-13 08:31:03 |
| ktra-ex32_1.htm | 11934 | 2022-05-13 08:31:03 |
| ktra-ex32_2.htm | 11934 | 2022-05-13 08:31:03 |
| ktra-ex3_1.htm | 205539 | 2022-05-13 08:31:03 |
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