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Significant Contracts - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Product Information [Line Items]
Net revenue	$ 10,764	$ 5,050	$ 18,573	$ 14,577
Accounts receivable	10,662		10,662		$ 8,889
Sales [Member] | Customer Concentration Risk [Member] | QVC, Inc. [Member]
Product Information [Line Items]
Net revenue	$ 5,450	$ 4,040	$ 9,190	$ 8,740
Concentration Risk, Percentage	51.00%	81.00%	50.00%	60.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | QVC, Inc. [Member]
Product Information [Line Items]
Concentration Risk, Percentage			53.00%		50.00%
Accounts receivable	$ 5,610		$ 5,610		$ 4,460

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