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Discontinued operations - Narrative (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Oct. 14, 2020 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure on Sale of Assets [Line Items] |  |  |
Gain (loss) on sale of assets |  | $ 0 | $ 168
Unmanned Aerial Vehicle (UAV) Business Assets | Discontinued operations |  |  |
Disclosure on Sale of Assets [Line Items] |  |  |
Total proceeds | $ 1,000 |  |
Cash proceeds received on sale, net | 988 |  |
Gain (loss) on sale of assets | $ 168 |  |

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- Definition The gain (loss) recognised on the measurement to fair value less costs to sell or on the disposal of the assets or disposal group(s) constituting the discontinued operation. [Refer: Discontinued operations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2021-01-01 -Paragraph 33 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_33_b_iii&doctype=Standard -URIDate 2021-03-24 + Details
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