Quarterly report pursuant to Section 13 or 15(d)

SEGMENT INFORMATION - Net Sales by Geographic Area (Details)

v3.20.1
SEGMENT INFORMATION - Net Sales by Geographic Area (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Segment Reporting Information [Line Items]    
Net sales $ 14,948 $ 19,328
United States    
Segment Reporting Information [Line Items]    
Net sales 491 541
Canada    
Segment Reporting Information [Line Items]    
Net sales 261 286
Peru    
Segment Reporting Information [Line Items]    
Net sales 360 688
Hong Kong    
Segment Reporting Information [Line Items]    
Net sales 11,413 15,366
China    
Segment Reporting Information [Line Items]    
Net sales 698 1,056
Taiwan    
Segment Reporting Information [Line Items]    
Net sales 940 634
South Korea    
Segment Reporting Information [Line Items]    
Net sales 127 106
Russia and Kazakhstan    
Segment Reporting Information [Line Items]    
Net sales 242 218
Europe    
Segment Reporting Information [Line Items]    
Net sales 233 343
Other foreign countries    
Segment Reporting Information [Line Items]    
Net sales $ 183 $ 90