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| 0001558370-22-011334.txt | 2022-07-29 06:41:12 | |
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| FilingSummary.xml | 1777 | 2022-07-29 06:41:12 |
| Financial_Report.xlsx | 5680 | 2022-07-29 06:41:12 |
| imgn-20220729.xsd | 3865 | 2022-07-29 06:41:12 |
| imgn-20220729x8k.htm | 36491 | 2022-07-29 06:41:12 |
| imgn-20220729x8k_htm.xml | 4636 | 2022-07-29 06:41:12 |
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| imgn-20220729_def.xml | 3251 | 2022-07-29 06:41:12 |
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| imgn-20220729_pre.xml | 9762 | 2022-07-29 06:41:12 |
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| R1.htm | 38568 | 2022-07-29 06:41:12 |
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| Show.js | 1085 | 2022-07-29 06:41:12 |