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Stockholders' Equity - Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 208	$ 41	$ 348	$ 61
Unearned stock-based compensation	400	200	$ 400	200
Unearned compensation expected to be recognized, period			3 years 1 month 6 days
Cost of sales
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	3	0	$ 5	1
Product development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	2	1	8	2
Selling, general, and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 203	$ 40	$ 335	$ 58

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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