Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Net Sales by Product and Service (Details)

v3.19.1
REVENUE - Net Sales by Product and Service (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Disaggregation of Revenue [Line Items]    
Net sales $ 19,328 $ 52,367
Less: sales returns (695) (750)
Product sales    
Disaggregation of Revenue [Line Items]    
Net sales 18,523 49,365
Freight and other    
Disaggregation of Revenue [Line Items]    
Net sales $ 1,500 $ 3,752