Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Mar. 05, 2020
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 254	$ 418
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	110,000,000	110,000,000
Common stock, shares issued (in shares)	65,121,241	50,878,780
Common stock, shares outstanding (in shares)	65,121,241	50,878,780

Amount of allowance for credit loss on accounts receivable, classified as current.

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Face amount or stated value per share of common stock.

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