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v3.20.4

Consolidated Statements of Cash Flows - GBP (£) £ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Cash flows from operating activities |  |  |
Loss for the year | £ (30,682) | £ (21,412) | £ (13,840)
Adjustments for: |  |  |
Income tax credit | (5,493) | (4,239) | (4,223)
Amortization and depreciation | 890 | 718 | 371
Finance income | (246) | (1,049) | (1,065)
Interest expense on lease liabilities | 26 | 21 |
Share-based payments | 4,305 | 3,226 | 1,795
Net foreign exchange losses (gains) | 3,481 | 1,006 | (2,959)
Cash flows from (used in) operations before changes in working capital | (27,719) | (21,750) | (19,921)
Movements in working capital: |  |  |
(Increase) decrease in prepayments, accrued income and other receivables | (9) | (2,452) | 817
(Decrease) increase in trade payables | (155) | (43) | 1,335
Increase in payroll taxes, social security and accrued expenditure | 2,112 | 393 | 1,321
Movements in working capital | 1,948 | (2,102) | 3,473
Cash used in operations | (25,771) | (23,852) | (16,448)
Net income tax received | 4,152 | 19 | 4,224
Net cash used in operating activities | (21,619) | (23,833) | (12,224)
Cash flows from investing activities |  |  |
Interest received | 319 | 1,116 | 973
Payments for property, plant and equipment | (361) | (46) | (210)
Payments for intangible assets | (1,271) | (1,215) | (1,414)
Net cash used in investing activities | (1,313) | (145) | (651)
Cash flows from financing activities |  |  |
Payments of lease liabilities | (297) | (197) |
Proceeds from lease incentives received |  | 25 |
Proceeds from issue of share capital - exercise of share options | 15 | 125 | 207
Proceeds from issue of share capital | 66,581 |  |
Share issue expenses | (4,499) |  |
Net cash from (used in) financing activities | 61,800 | (47) | 207
Net increase (decrease) in cash and cash equivalents | 38,868 | (24,025) | (12,668)
Cash and cash equivalents at beginning of year | 51,962 | 76,972 | 86,703
Effect of exchange rate changes on cash and cash equivalents | (3,474) | (985) | 2,937
Cash and cash equivalents at end of year | £ 87,356 | £ 51,962 | £ 76,972

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- Definition The effect of exchange rate changes on cash and cash equivalents held or due in a foreign currency. [Refer: Cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_25&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 28 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_28&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The cash flows from income taxes paid or refunded, classified as operating activities. [Refer: Income taxes paid (refund)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 35 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_35&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 14 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_14_f&doctype=Standard -URIDate 2020-01-01 + Details
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