XML 55 R100.htm IDEA: XBRL DOCUMENT v3.20.1
Income Tax - Summary of Deferred Tax (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets $ (200) $ (6) $ (132) $ 526
Deferred tax expenses / (benefits) 374 (55) 1,073  
Outside basis differences [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets (3,829) (3,614)    
Deferred tax expenses / (benefits) 215 578 602  
Revaluations of financial assets at fair value through other comprehensive income [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets (679) (345)    
Accrued interest income [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets (181) (154)    
Deferred tax expenses / (benefits) 13 12 11  
Unutilized building allowance (net) [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets (36) (133)    
Deferred tax expenses / (benefits) (98) (95) 11  
Unused tax losses [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets 546 644    
Deferred tax expenses / (benefits) 119 (459) 455  
Allowance for doubtful accounts [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets 245 290    
Deferred tax expenses / (benefits) 47 (97) (25)  
Inventory impairment [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets 554 657    
Deferred tax expenses / (benefits) 147 (236) (161)  
Rebates and other accrued liabilities [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets 472 426    
Deferred tax expenses / (benefits) (46) (38) (6)  
Unpaid retirement benefits [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets 1,553 1,353    
Deferred tax expenses / (benefits) (81) (54) (62)  
Deferred revenue and cost of sales [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets 23 16    
Deferred tax expenses / (benefits) (6) (14) 393  
Actuarial loss [Member        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets 796 450    
Unabsorbed depreciation [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets 637 701    
Deferred tax expenses / (benefits) 57 (55) (45)  
Mark-to-Market value of forward contract [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets   28    
Deferred tax expenses / (benefits) 28 (28)    
Others [Member]        
Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]        
Net deferred tax assets (301) (325)    
Deferred tax expenses / (benefits) $ (21) $ 431 $ (100)