CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Preferred stock, shares authorized	1,021,165	5,546,154
Preferred stock, shares issued	857,055	5,537,062
Preferred stock, shares outstanding	857,055	5,537,062
Series A
Convertible preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Convertible preferred stock, shares authorized	0	5,524,926
Convertible preferred stock, shares issued	0	5,524,926
Convertible preferred stock, shares outstanding	0	5,524,926
Redemption amount	$ 0	$ 12,739
Liquidation preference	$ 0	$ 9,199
Preferred stock, shares authorized		5,524,926
Preferred stock, shares issued		5,524,926
Preferred stock, shares outstanding		5,524,926
Series B convertible preferred stock
Convertible preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Convertible preferred stock, shares authorized	0	11,000
Convertible preferred stock, shares issued		1,971
Convertible preferred stock, shares outstanding	0	1,971
Preferred stock, shares authorized		11,000
Preferred stock, shares issued		1,971
Preferred stock, shares outstanding		1,971
Series B-1 convertible preferred stock
Convertible preferred stock, shares outstanding	0	0
Preferred stock, shares authorized		63
Preferred stock, shares issued		0
Preferred stock, shares outstanding		0
Series B-2 convertible preferred stock
Convertible preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Convertible preferred stock, shares authorized	10,165	10,165
Convertible preferred stock, shares issued	7,534	10,165
Convertible preferred stock, shares outstanding	7,534	10,165
Preferred stock, shares authorized	10,165	10,165
Preferred stock, shares issued	7,534	10,165
Preferred stock, shares outstanding	7,534	10,165
Series C perpetual preferred stock
Redemption amount	$ 6,796	$ 0
Liquidation preference	$ 6,796	$ 0
Preferred stock, shares authorized	1,011,000	0
Preferred stock, shares issued	849,521	0
Preferred stock, shares outstanding	849,521	0
Series D perpetual preferred stock
Convertible preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Convertible preferred stock, shares authorized	977,300	0
Convertible preferred stock, shares issued	848,117	0
Convertible preferred stock, shares outstanding	848,117	0
Redemption amount	$ 6,785	$ 0
Liquidation preference	$ 6,785	$ 0
Preferred Stock, Par or Stated Value Per Share	$ 0.0001
Common Stock
Common stock, shares authorized	204,475,074
Common Stock \| Common stock - voting
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	48,862,970	14,273,061
Common stock, shares outstanding	48,862,970	14,273,061
Common Stock \| Common stock - non-voting
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	40,301,237	40,301,237
Common stock, shares outstanding	40,301,237	40,301,237

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