Annual report pursuant to Section 13 and 15(d)

SEGMENT INFORMATION - Net Sales by Product and Service (Details)

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SEGMENT INFORMATION - Net Sales by Product and Service (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disaggregation of Revenue [Line Items]    
Total net sales $ 77,614 $ 191,910
Less: sales returns (1,540) (3,284)
Product sales    
Disaggregation of Revenue [Line Items]    
Total net sales 73,048 181,865
Freight and other    
Disaggregation of Revenue [Line Items]    
Total net sales $ 6,106 $ 13,329