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ACCOUNTING ESTIMATES AND JUDGEMENTS (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of changes in accounting estimates [line items]      
Deferred income $ 114,000 $ 141,000 $ 4,445,000
Description of useful life expenditure is capitalised at cost within intangible assets and amortised over its expected useful life of 15 years    
Carrying amounts $ 35,269,000 35,981,000  
Inventories net of provisions $ 16,274,000 $ 12,063,000 $ 9,781,000
Percentage of gross inventory 42.00% 29.30% 24.50%
Repayments of bonds, notes and debentures $ 86,730,000 $ 0 $ 0
Impairment loss additions 5,839,000 6,944,000 17,779,000
Amortisation expense 923,000 917,000 1,403,000
Total impairment loss 1,200,000    
Provision for inventory 3,500,000    
Inventory written down 300,000    
Raw materials and work in progress of inventory written down 900,000    
Allowance for impairment of receivables 2,691,000 2,986,000 3,922,000
Net current assets 29,300,000    
Proceeds from sale of business 30,000,000    
Reduction of gross debt 10,000,000    
Capitalised development expenditure [member]      
Disclosure of changes in accounting estimates [line items]      
Carrying amounts 17,008,000 17,679,000  
Impairment loss charge 4,623,000    
Impairment loss additions 4,475,000    
Amortisation expense 479,000    
2% of gross inventory [Member]      
Disclosure of changes in accounting estimates [line items]      
Change in allowance $ 800,000 $ 800,000 $ 800,000