Annual report pursuant to Section 13 and 15(d)

SEGMENT INFORMATION - Net Sales by Geographic Area (Details)

v3.19.1
SEGMENT INFORMATION - Net Sales by Geographic Area (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]    
Total net sales $ 191,910 $ 197,563
United States    
Segment Reporting Information [Line Items]    
Total net sales 3,637 3,348
Canada    
Segment Reporting Information [Line Items]    
Total net sales 1,710 1,938
Peru    
Segment Reporting Information [Line Items]    
Total net sales 1,635 508
Hong Kong    
Segment Reporting Information [Line Items]    
Total net sales 169,452 174,926
China    
Segment Reporting Information [Line Items]    
Total net sales 7,744 7,282
Taiwan    
Segment Reporting Information [Line Items]    
Total net sales 3,964 5,591
South Korea    
Segment Reporting Information [Line Items]    
Total net sales 493 466
Russia and Kazakhstan    
Segment Reporting Information [Line Items]    
Total net sales 868 913
Europe    
Segment Reporting Information [Line Items]    
Total net sales 1,644 2,278
Other foreign countries    
Segment Reporting Information [Line Items]    
Total net sales $ 763 $ 313