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v3.21.2

Consolidated Statement of Cash Flows - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Cash flows from operating activities |  |  |  |  |  |
Loss before taxation | € (211,841) |  | € (32,487) | [1] | € (32,355) |
Adjustments for: |  |  |  |  |  |
Interest income | (850) |  | (790) | [1] | (507) |
Depreciation and amortization | 4,424 |  | 3,858 | [1] | 2,176 |
Interest expense | 289 |  | 170 | [1] | 16 |
Share listing expense | 152,787 |  |  |  |  |
Equity settled share-based payment | 22,908 |  | 152 | [1] | 118 |
MD Anderson compensation expense | 45 |  | 700 | [1] | 1,360 |
(Decrease) Increase in other liabilities resulting from share appreciation rights | (2,036) |  | 1,864 | [1] | 220 |
Payment related to share-based compensation awards previously classified as equity-settled | (4,322) |  |  |  |  |
Net foreign exchange differences | (4,477) |  | 3 | [1] |  |
Change in fair value of warrant liabilities | (17,775) |  |  |  |  |
Changes in working capital |  |  |  |  |  |
Increase in accounts receivable | (294) |  | (563) | [1] | (175) |
Increase (decrease) in other assets | (1,600) |  | (1,497) | [1] | 5,608 |
(Increase) decrease in accounts payable and other current liabilities | (23,387) |  | 98,937 | [1] | 43,732 |
Interest received | 808 |  | 790 | [1] | 507 |
Interest paid | (289) |  | (170) | [1] | (16) |
Net cash provided by/(used in) operating activities | (85,610) |  | 70,967 | [1] | 20,684 |
Cash flows from investing activities |  |  |  |  |  |
Payments for property, plant and equipment | (7,420) |  | (2,143) | [1] | (429) |
Cash paid for investments in Other financial assets | (82,930) |  | (20,473) | [1] | (13,101) |
Cash received from maturity of investments classified in Other financial assets | 74,505 |  | 17,551 | [1] |  |
Payments for intangible assets | (104) |  | (91) | [1] | (78) |
Proceeds from disposal of property, plant and equipment |  |  | 97 | [1] | 94 |
Net cash provided by/(used in) investing activities | (15,949) |  | (5,059) | [1] | (13,514) |
Cash flows from financing activities |  |  |  |  |  |
Proceeds from issuance of shares to equity holders of the parent | 217,918 |  |  |  | 23,648 |
Transaction cost deducted from equity | (7,939) |  |  |  |  |
Payments for leases | (2,096) |  | (1,862) | [1] |  |
Net cash provided by/(used in) financing activities | 207,883 |  | (1,862) | [1] | 23,648 |
Net increase in cash and cash equivalents | 106,324 |  | 64,046 | [1] | 30,818 |
Cash and cash equivalents at beginning of period | 103,353 | [2] | 39,367 | [1] | 8,415 |
Effects of exchange rate changes on cash and cash equivalents | (2,147) |  | (60) | [1] | 134 |
Cash and cash equivalents at end of period | € 207,530 |  | € 103,353 | [2] | € 39,367 | [1]
[1] | See Note 2 for details regarding the revision as a result of a correction in classification of Other financial assets
[2] | See Note 2 for details regarding the change in presentation of Other financial assets

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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_45&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B13 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_i&doctype=Standard -URIDate 2020-01-01 + Details
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Period Type: | duration

X
- Definition Adjustment for equity settled share-based payment. + References No definition available. + Details
Name: | imtx_AdjustmentForEquitySettledSharebasedPayment
Namespace Prefix: | imtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for share listing expense. + References No definition available. + Details
Name: | imtx_AdjustmentsForShareListingExpense
Namespace Prefix: | imtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Changes in working capital [Abstract]. + References No definition available. + Details
Name: | imtx_ChangesInWorkingCapitalAbstract
Namespace Prefix: | imtx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payments for share based compensation. + References No definition available. + Details
Name: | imtx_PaymentsForShareBasedCompensation
Namespace Prefix: | imtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration