Subsequent Events - Narrative (Details) - USD ($)		12 Months Ended
	Jan. 28, 2021	Dec. 31, 2020	Dec. 31, 2019	Oct. 01, 2019	Jan. 31, 2018
Subsequent Event [Line Items]
Common Stock, convertible, par value (in dollars per share)		$ 0.0001	$ 0.0001	$ 0.0001
Preferred stock, shares outstanding (in shares)		1,829,582
Preferred stock, convertible, par value (in dollars per share)		$ 0.0001
Common Stock, shares outstanding (in shares)		7,748,629	5,161,500
Common Stock, shares issued (in shares)		7,861,912	5,266,800
Preferred stock, shares issued (in shares)		1,829,582
Series A-2 Preferred Stock
Subsequent Event [Line Items]
Preferred stock, shares outstanding (in shares)		45	32
Stock issued during period, conversion of convertible securities, price (in dollars per share)		$ 16.11
Preferred stock, convertible, par value (in dollars per share)		$ 0.0001	$ 0.0001
Preferred stock, stated value		$ 7,500	$ 7,500
Preferred stock, shares issued (in shares)		45	32
Series D Preferred Stock
Subsequent Event [Line Items]
Preferred stock, shares outstanding (in shares)		1,697,958	1,734,901
Stock issued during period, conversion of convertible securities, price (in dollars per share)					$ 2.85
Preferred stock, convertible, par value (in dollars per share)		$ 0.0001	$ 0.0001	$ 0.0001
Preferred stock, stated value		$ 28.50	$ 28.50	$ 28.50
Preferred stock, shares issued (in shares)		1,697,958	1,734,901
Series E Preferred Stock
Subsequent Event [Line Items]
Preferred stock, shares outstanding (in shares)		131,579	131,579
Preferred stock, convertible, par value (in dollars per share)		$ 0.0001	$ 0.0001
Preferred stock, stated value		$ 28.50	$ 28.50
Preferred stock, shares issued (in shares)		131,579	131,579
Common Stock
Subsequent Event [Line Items]
Shares issued in conversion (in shares)		20,950
Common Stock | Series E Preferred Stock
Subsequent Event [Line Items]
Common Stock, shares outstanding (in shares)		26,084,519
Subsequent Event
Subsequent Event [Line Items]
Preferred stock, shares outstanding (in shares)	0
Stock issued during period, conversion of convertible securities, price (in dollars per share)	$ 2.85
Preferred stock, stated value	$ 28.50
Common Stock, shares outstanding (in shares)	26,618,048
Common Stock, shares issued (in shares)	26,618,048
Preferred stock, shares issued (in shares)	0
Subsequent Event | Series A-2 Preferred Stock
Subsequent Event [Line Items]
Stock issued during period, conversion of convertible securities, price (in dollars per share)	$ 4.00
Subsequent Event | Series D Preferred Stock
Subsequent Event [Line Items]
Preferred stock, shares outstanding (in shares)	1,703,641
Subsequent Event | Series E Preferred Stock
Subsequent Event [Line Items]
Preferred stock, shares outstanding (in shares)	131,579
Subsequent Event | Common Stock
Subsequent Event [Line Items]
Shares issued in conversion (in shares)	84,292
Subsequent Event | Common Stock | Series D Preferred Stock
Subsequent Event [Line Items]
Shares issued in conversion (in shares)	17,416,887
Subsequent Event | Common Stock | Series E Preferred Stock
Subsequent Event [Line Items]
Shares issued in conversion (in shares)	1,345,176