Annual report pursuant to Section 13 and 15(d)

SEGMENT INFORMATION - Net Sales by Geographic Area (Details)

v3.20.1
SEGMENT INFORMATION - Net Sales by Geographic Area (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Segment Reporting Information [Line Items]    
Total net sales $ 77,614 $ 191,910
United States    
Segment Reporting Information [Line Items]    
Total net sales 2,003 3,637
Canada    
Segment Reporting Information [Line Items]    
Total net sales 1,048 1,710
Peru    
Segment Reporting Information [Line Items]    
Total net sales 2,380 1,635
Hong Kong    
Segment Reporting Information [Line Items]    
Total net sales 62,724 169,452
China    
Segment Reporting Information [Line Items]    
Total net sales 2,941 7,744
Taiwan    
Segment Reporting Information [Line Items]    
Total net sales 3,126 3,964
South Korea    
Segment Reporting Information [Line Items]    
Total net sales 368 493
Russia and Kazakhstan    
Segment Reporting Information [Line Items]    
Total net sales 980 868
Europe    
Segment Reporting Information [Line Items]    
Total net sales 1,370 1,644
Other foreign countries    
Segment Reporting Information [Line Items]    
Total net sales $ 674 $ 763