17.	TRADE AND OTHER RECEIVABLES

	December 31, 2023 US$‘000		December 31, 2022 US$‘000
Trade receivables, net of impairment losses		10,698		12,620
Prepayments		2,036		1,932
Contract assets		525		739
Value added tax		43		43
Finance lease receivables		119		86
Consideration due from sale of business (Note 8)		373		-
Other receivables		107		-
Grant receivable		-		333

		13,901		15,753

Trade receivables are shown net of an impairment losses provision of US$2,324,000 (2022: US$2,691,000) (2021: US$2,986,000) (see Note 27). Prepayments are shown after impairment charges of US$nil (2022: US$482,000) (2021: US$583,000) (see Note 5).

Long-term contract receivable

(i) Finance lease commitments – Group as lessor

The Group leases instruments as part of its business. Future minimum receivables with non-cancellable terms are as follows:

	December 31, 2023 US$‘000
	Gross investment		Unearned income		Minimum payments receivable
Less than one year		170		4		119
Between one and five years (Note 15)		54		3		36

		224		7		155

	December 31, 2022 US$‘000
	Gross investment		Unearned income		Minimum payments receivable
Less than one year		180		6		86
Between one and five years (Note 15)		173		6		84

		353		12		170

The Group classified future minimum lease receivables between one and five years of US$36,000 (2022: US$84,000) as Other Assets, see Note 15. Under the terms of the lease arrangements, no contingent rents are receivable.

(ii) Operating lease commitments – Group as lessor

The Group leases instruments under operating leases as part of its business.

Future minimum rentals receivable under non-cancellable operating leases are as follows:

	December 31, 2023 US$‘000
	Instruments		Total
Less than one year		1,995		1,995

		1,995		1,995

(ii) Operating lease commitments – Group as lessor

	December 31, 2022 US$‘000
	Instruments		Total
Less than one year		1,589		1,589

		1,589		1,589