Finance income and costs

3 Months Ended

12 Months Ended

Mar. 31, 2022

Dec. 31, 2021

Finance income and finance expenses

Finance income and costs

11. Finance income and finance expenses

	Three months ended	Three months ended
	March 31, 2022	March 31, 2021
Interest income	99	—
Finance income	99	—

	Three months ended	Three months ended
	March 31, 2022	March 31, 2021
Foreign exchange loss	(781)	(1,801)
Bank charges	(147)	(55)
Unwinding of discount on the put option liability	(67)	—
Interest expense	(43)	(24)
Finance expenses	(1,038)	(1,880)

11.   Finance income and costs

	2021	2020	2019
Interest income	—	7	12
Foreign exchange gain	—	1,991	411
Change in fair value of share warrant obligations	10,080	—	—
Other income	79	—	—
Finance income – total	10,159	1,998	423
Interest expense	(91)	(45)	(96)
Bank charges	(320)	(175)	(87)
Foreign exchange loss	(2,809)	—	—
Finance costs – total	(3,220)	(220)	(183)
Net finance income	6,939	1,778	240

For further information about the Change in fair value of share warrant obligations, see Note 24.