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PROPERTY, PLANT AND EQUIPMENT
 12 Months Ended
Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [abstract]  
PROPERTY, PLANT AND EQUIPMENT
12.
PROPERTY, PLANT AND EQUIPMENT
 
 
  
Freehold land
and buildings
US$‘000
    
Leasehold
improvements
US$‘000
    
Computers,
fixtures and
fittings
US$‘000
    
Plant and
equipment
US$‘000
    
Total
US$‘000
  
Cost
                              
At January 1, 2017
    
2,603
      
3,031
      
5,995
      
36,484
      
48,113
  
Additions
    
—
      
465
      
302
      
4,491
      
5,258
  
Disposals or retirements
    
(9
)
    
(488
)
    
(404
)
    
(3,083
)
    
(3,984
)
Exchange adjustments
    
30
      
(4
)
    
1
      
3
      
30
  
 
                                        
At December 31, 2017
    
2,624
      
3,004
      
5,894
      
37,895
      
49,417
  
 
                                        
At January 1, 2018
    
2,624
      
3,004
      
5,894
      
37,895
      
49,417
  
Additions
    
19
      
1,609
      
829
      
5,068
      
7,525
  
Disposals or retirements
    
—
      
(1
)
    
(131
)
    
(1,804
)
    
(1,936
)
Exchange adjustments
    
(38
)
    
(52
)
    
(7
)
    
(1,095
)
    
(1,192
)
 
                                        
At December 31, 2018
    
2,605
      
4,560
      
6,585
      
40,064
      
53,814
  
 
                                        
Accumulated depreciation and impairment losses
                                        
At January 1, 2017
    
(1,206
)
    
(2,716
)
    
(5,064
)
    
(25,724
)
    
(34,710
)
Charge for the year
    
(82
)
    
(165
)
    
(263
)
    
(1,914
)
    
(2,424
)
Impairment loss
    
—
      
(267
)
    
(383
)
    
(9,787
)
    
(10,437
)
Disposals or retirements
    
9
      
488
      
402
      
3,062
      
3,961
  
Exchange adjustments
    
(4
)
    
1
      
—
      
(4
)
    
(7
)
 
                                        
At December 31, 2017
    
(1,283
)
    
(2,659
)
    
(5,308
)
    
(34,367
)
    
(43,617
)
 
                                        
At January 1, 2018
    
(1,283
)
    
(2,659
)
    
(5,308
)
    
(34,367
)
    
(43,617
)
Charge for the year
    
(80
)
    
(47
)
    
(185
)
    
(1,063
)
    
(1,375
)
Impairment loss
    
(578
)
    
(543
)
    
(423
)
    
(4,568
)
    
(6,112
)
Disposals or retirements
    
—
      
—
      
130
      
1,679
      
1,809
  
Exchange adjustments
    
7
      
6
      
3
      
827
      
843
  
 
                                        
At December 31, 2018
    
(1,934
)
    
(3,243
)
    
(5,783
)
    
(37,492
)
    
(48,452
)
7 
                                        
Carrying amounts
                                        
At December 31, 2018
    
671
      
1,317
      
802
      
2,572
      
5,362
  
 
                                        
 
                                        
At December 31, 2017
    
1,341
      
345
      
586
      
3,528
      
5,800
  
 
The annual impairment review performed at December 31, 2018 showed that the carrying value of the Group’s assets exceeded the amount to be recovered through use or sale of the assets by a total of US$57,794,000. The details of the impairment review are described in Note 13. When an impairment loss is identified in a cash generating unit, it must be first allocated to reduce the carrying amount of any goodwill allocated to the cash generating unit and then to the other assets of the unit pro rata on the basis of the carrying amount of each asset in the unit. In this manner, an impairment loss of US$6,112,000 was allocated to property, plant and equipment in 2018. The recoverable amount of property, plant and equipment was determined to be the value in use of each cash generating unit.
 
The annual impairment review performed at December 31, 2017 showed that the carrying value of the Group’s assets exceeded the amount to be recovered through use or sale of the assets by a total of US$85,603,000. The details of the impairment review are described in Note 13. When an impairment loss is identified in a cash generating unit, it must be first allocated to reduce the carrying amount of any goodwill allocated to the cash generating unit and then to the other assets of the unit pro rata on the basis of the carrying amount of each asset in the unit. In this manner, an impairment loss of US$10,437,000 was allocated to property, plant and equipment in 2017. The recoverable amount of property, plant and equipment was determined to be the value in use of each cash generating unit.
 
Assets held under operating leases (where the Company is the lessor)
 
The Company has a number of assets included in plant and equipment which generate operating lease revenue for the Group. The net book value of these assets as at December 31, 2018 and 2017 is US$Nil following full write down of the assets due to group impairment (refer to Note 13). Depreciation charged on these assets in 2018 amounted to US$8,000 (2017: US$30,000).
 
Included in disposals/retirements in 2018 is US$12,000 (2017: US$Nil) relating to the net book value of leased instruments reclassified as inventory on return from customers.
 
Property, plant and equipment under construction
 
Included in property, plant and equipment at December 31, 2018 is an amount of US$204,000 (2017: US$561,000) relating to assets in the course of construction.
 
Assets held under finance leases
 
Included in the carrying amount of property, plant and equipment is an amount for capitalised leased assets of US$372,000 (2017: US$51,000). Movement in the carrying amount of capitalised leased assets during 2018 is due to additions. The depreciation charge in respect of capitalised leased assets for the year ended December 31, 2018 was US$37,000 (2017: US$181,000).