Convertible Preferred Stock (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2020

Dec. 31, 2019

Temporary Equity Disclosure [Abstract]

Summary of original issue price and liquidation value of convertible preferred stock

The original issue price and the liquidation value, as of September 30, 2020 and December 31, 2019, of each class of Preferred Stock is as follows:

	As of September 30, 2020						As of December 31, 2019
	Shares Authorized		Shares Issued and Outstanding		Per share Liquidation Preference		Shares Authorized		Shares Issued and Outstanding		Per share Liquidation Preference
Series A		2,228,361		1,660,839	$	43.30		2,228,361		1,660,839	$	43.30
Series A-1		163,306		163,306		15.31		163,306		163,306		15.31
Series A-2		1,322,780		1,322,780		15.12		1,322,780		1,322,780		15.12
Series A-3		223,548		223,548		17.89		223,548		223,548		17.89
Series A-4		49,827		49,827		20.07		49,827		49,827		20.07
Series A-5		137,715		124,068		20.15		137,715		124,068		20.15
Series A-6		247,420		247,420		30.31		247,420		247,420		30.31
Series A-7		1,459,656		1,459,656		34.64		1,459,656		1,459,656		34.64
Series A-8		385,777		385,777		36.81		385,777		385,777		36.81
Series A-9		748,674		748,674		38.97		748,674		748,674		38.97
Series A-10		252,801		252,801		41.14		252,801		252,801		41.14
Series A-11		317,404		317,404		5.27		317,404		317,404		5.27
Series X		1,472,905		1,251,971		135.79		—		—		—

The original issue price and the liquidation value, as of December 31, 2019, of each class of Preferred Stock is as follows:

	Shares Authorized		Shares Issued and Outstanding		Per Share Liquidation Preference
Series A		2,228,361		1,660,839	$	43.30
Series A-1		163,306		163,306		15.31
Series A-2		1,322,780		1,322,780		15.12
Series A-3		223,548		223,548		17.89
Series A-4		49,827		49,827		20.07
Series A-5		137,715		124,068		20.15
Series A-6		247,420		247,420		30.31
Series A-7		1,459,656		1,459,656		34.64
Series A-8		385,777		385,777		36.81
Series A-9		748,674		748,674		38.97
Series A-10		252,801		252,801		41.14
Series A-11		317,404		317,404	$	5.27
		7,537,269		6,956,100

Summary of conversion prices of each series of preferred stock

The applicable conversion prices of each series of preferred stock as of September 30, 2020 and December 31, 2019 are as follows: 

	Effective Conversion Price
Series A	$	43.30
Series A-1		15.31
Series A-2		15.12
Series A-3		17.89
Series A-4		20.07
Series A-5		20.15
Series A-6		30.31
Series A-7		34.64
Series A-8		36.81
Series A-9		38.97
Series A-10		41.14
Series A-11		24.30
Series X		135.79

The applicable conversion prices of each series of Preferred Stock as of December 31, 2019 are as follows:

	Effective conversion price
Series A	$	43.30
Series A-1		15.31
Series A-2		15.12
Series A-3		17.89
Series A-4		20.07
Series A-5		20.15
Series A-6		30.31
Series A-7		34.64
Series A-8		36.81
Series A-9		38.97
Series A-10		41.14
Series A-11		24.30

Summary of Benefitial conversion Feature And Commitment Date of Preferred Stock

The following table summarizes the calculation of the BCF as of the commitment dates of the preferred stock, which continues to be presented in additional paid in capital as of September 30, 2020 and December 31, 2019:

Commitment Date	Series		Type of Consideration received (cash or settlement of other instruments)	Effective Conversion Price		Fair value of the Common Stock		Number of Shares Issuable upon Conversion		BCF
6/24/2019		A	Cash	$	43.30	$	18.59		648,069	$	—
6/24/2019		A	Settlement of SAFEs		43.30		18.59		75,165		—
6/24/2019		A-1	Settlement of SAFEs		15.31		18.59		163,306		536,000
6/24/2019		A-2	Settlement of SAFEs		15.12		18.59		1,322,780		4,590,000
6/24/2019		A-3	Settlement of SAFEs		17.89		18.59		223,548		156,000
6/24/2019		A-4	Settlement of SAFEs		20.07		18.59		49,827		—
6/24/2019		A-5	Settlement of SAFEs		20.15		18.59		124,068		—
6/24/2019		A-6	Settlement of SAFEs		30.31		18.59		247,420		—
6/24/2019		A-7	Settlement of SAFEs		34.64		18.59		1,459,656		—
6/24/2019		A-8	Settlement of SAFEs		36.81		18.59		385,777		—
6/24/2019		A-9	Settlement of SAFEs		38.97		18.59		748,674		—
6/24/2019		A-10	Settlement of SAFEs		41.14		18.59		252,801		—
6/24/2019		A-11	Settlement of Note		24.30		18.59		317,404		—
6/26/2019		A	Cash		43.30		18.59		692,778		—
7/15/2019		A	Cash		43.30		18.59		11,546		—
8/24/2020 to 9/22/2020		X	Cash		135.79		140.78		1,251,971		6,247,000
			Total							$	11,529,000

The following table summarizes the calculation of the BCF as of the commitment dates of the Preferred Stock, which continues to be presented in additional paid in capital as of December 31, 2019:

Commitment Date	Series		Type of Consideration received (cash or settlement of other instruments)		Effective Conversion Price		Fair value of the Common Stock		Number of Shares Issuable upon Conversion		BCF
6/24/2019		A		Cash	$	43.30	$	18.59		648,069	$	—
		A		Settlement of SAFEs		43.30		18.59		75,165		—
		A-1		Settlement of SAFEs		15.31		18.59		163,306		536,000
		A-2		Settlement of SAFEs		15.12		18.59		1,322,780		4,590,000
		A-3		Settlement of SAFEs		17.89		18.59		223,548		156,000
		A-4		Settlement of SAFEs		20.07		18.59		49,827		—
		A-5		Settlement of SAFEs		20.15		18.59		124,068		—
		A-6		Settlement of SAFEs		30.31		18.59		247,420		—
		A-7		Settlement of SAFEs		34.64		18.59		1,459,656		—
		A-8		Settlement of SAFEs		36.81		18.59		385,777		—
		A-9		Settlement of SAFEs		38.97		18.59		748,674		—
		A-10		Settlement of SAFEs		41.14		18.59		252,801		—
		A-11		Settlement of Note		24.30		18.59		317,404		—
6/26/2019		A		Cash		43.30		18.59		692,778		—
7/15/2019		A		Cash		43.30		18.59		11,546		—
7/22/2019		A		Cash		43.30		18.59		233,281		—
											$	5,282,000