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Certain Balance Sheet Accounts - Accounts Receivable, Net (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Balance Sheet Related Disclosures [Abstract]    
Trade receivables, net $ 24,011 $ 35,074
Sublease and other receivables 106 111
Total accounts receivables, net 24,117 35,185
Chargeback and product return allowances $ 4,100 $ 1,600