Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Sep. 30, 2021	Dec. 31, 2020
Common stock par value (USD per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	900,000,000
Common stock issued (in shares)	27,324,054
Common stock outstanding (in shares)	27,324,054
Preferred stock par value per share	$ 0.001	$ 0.001
Preferred stock, shares authorized	100,000,000	16,572,792	[1]
Preferred Shares Issued	0	14,376,272	[1]
Preferred stock, shares outstanding	0	14,376,272	[1]
Convertible Common Stock [Member]
Temporary equity, shares authorized (in shares)	0	24,545,966
Temporary equity, shares issued (in shares)	0	3,813,450
Temporary equity, shares outstanding (in shares)	0	3,813,450
Common stock par value (USD per share)	$ 0.001	$ 0.001
Convertible Preferred Stock [Member]
Temporary equity, shares authorized (in shares)	0	16,572,792
Temporary equity, shares issued (in shares)	0	14,376,272
Temporary equity, shares outstanding (in shares)	0	14,376,272
Preferred stock par value per share	$ 0.001	$ 0.001
Preferred stock, shares outstanding	14,376,272
Series G Common Stock [Member]
Common stock par value (USD per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	0	1
Common stock issued (in shares)		1
Common stock outstanding (in shares)	0	1
Series W Common Stock [Member]
Common stock par value (USD per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	0	1
Common stock issued (in shares)	0
Common stock outstanding (in shares)	0	0

[1] The shares authorized, issued and outstanding do not reflect any anti-dilution provisions of Series C, Series D, Series E and Series F as a result of the Series G financing.