As of December 31, 2017 and 2016, the Group had the following assets and liabilities in United States dollars:
| 2017 | 2016 | |||||||
| US$(000) | US$(000) | |||||||
| Assets | ||||||||
| Cash and cash equivalents | 1,157 | 3,371 | ||||||
| Trade and other receivables | 7,764 | 5,517 | ||||||
| Advances to suppliers for work in progress | 5,534 | 2,733 | ||||||
| Assets held for distribution | — | 1,885 | ||||||
| 14,455 | 13,506 | |||||||
| Liabilities | ||||||||
| Trade and other payables | (18,274 | ) | (15,224 | ) | ||||
| Liabilities held for distribution | — | (379 | ) | |||||
| Interest-bearing loans and borrowings | (300,000 | ) | (300,000 | ) | ||||
| (318,274 | ) | (315,603 | ) | |||||
| (303,819 | ) | (302,097 | ) | |||||
| Cross currency swap position | 300,000 | 300,000 | ||||||
| Net monetary position | (3,819 | ) | (2,097 | ) | ||||