SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND USE OF ESTIMATES - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 19,356	$ 23,407
Direct-to-consumer
Disaggregation of Revenue [Line Items]
Revenue	13,138	16,130
Business-to-business
Disaggregation of Revenue [Line Items]
Revenue	$ 6,218	$ 7,277

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details