Risk Management - Summary of Maturity Profile of Financial Liabilities Based on Contractual Undiscounted Payments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure Of Maturity Analysis For Nonderivative Financial Liabilities [Line Items]
Lease liability	$ 1,679	$ 1,975	$ 2,003
Trade and other payables	3,291	2,428
Liquidity Risk
Disclosure Of Maturity Analysis For Nonderivative Financial Liabilities [Line Items]
Term loan	6,480	6,960
Lease liability	2,215	2,747
Trade and other payables	3,291	2,428
Total financial liabilities	11,986	12,135
Liquidity Risk \| Less Than 1 Year
Disclosure Of Maturity Analysis For Nonderivative Financial Liabilities [Line Items]
Term loan	6,480	480
Lease liability	393	413
Trade and other payables	3,291	2,428
Total financial liabilities	10,164	3,321
Liquidity Risk \| Between 1 and 2 Years
Disclosure Of Maturity Analysis For Nonderivative Financial Liabilities [Line Items]
Term loan		6,480
Lease liability	386	389
Total financial liabilities	386	6,869
Liquidity Risk \| More Than 2 Years
Disclosure Of Maturity Analysis For Nonderivative Financial Liabilities [Line Items]
Lease liability	1,436	1,945
Total financial liabilities	$ 1,436	$ 1,945

- Definition

The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity’s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity’s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Financial instruments, class [member]; Financial assets; Derivatives [member]]

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