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Significant Contracts (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Product Information [Line Items]      
Net revenue $ 9,527 $ 10,301  
Accounts receivable, net 8,843   $ 10,622
Customer Concentration Risk [Member] | QVC, Inc. [Member]      
Product Information [Line Items]      
Net revenue 4,690 $ 6,860  
Accounts receivable, net $ 4,590   $ 4,330
Customer Concentration Risk [Member] | QVC, Inc. [Member] | Accounts Receivable [Member]      
Product Information [Line Items]      
Concentration Risk, Percentage 52.00%   41.00%
Customer Concentration Risk [Member] | QVC, Inc. [Member] | Sales [Member]      
Product Information [Line Items]      
Concentration Risk, Percentage 49.00% 82.00%