Convertible Preferred Stock (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2021

Dec. 31, 2020

Convertible Preferred Stock

Schedule of convertible preferred stock

As of September 30, 2021 and December 31, 2020
			Shares
	Year	Shares	Issued and			Liquidation
Series	Issued	Authorized	Outstanding	Issue Price		Value
Series A	2008	3,500,000	3,500,000	$	1.0000	$	3,500,000
Series A-1	2008	3,800,515	3,800,515	$	0.1579		600,101
Series B	2010	4,401,242	4,401,242	$	1.8177		8,000,138
Series C	2011	5,024,637	5,024,637	$	3.0848		15,500,000
Series D	2012	2,412,718	2,412,718	$	8.0283		19,370,024
Series E	2014	1,605,982	1,605,982	$	31.1336		50,000,001
Series F	2015	4,440,498	4,440,498	$	45.0400		200,000,030
Series G	2016	4,440,498	4,440,498	$	45.0400		200,000,030
		29,626,090	29,626,090			$	496,970,324

			Shares
	Year	Shares	Issued and	Issue		Liquidation
Series	Issued	Authorized	Outstanding	Price		Value
Series A	2008	3,500,000	3,500,000	$	1.0000	$	3,500,000
Series A-1	2008	3,800,515	3,800,515	$	0.1579		600,101
Series B	2010	4,401,242	4,401,242	$	1.8177		8,000,138
Series C	2011	5,024,637	5,024,637	$	3.0848		15,500,000
Series D	2012	2,412,718	2,412,718	$	8.0283		19,370,024
Series E	2014	1,605,982	1,605,982	$	31.1336		50,000,001
Series F	2015	4,440,498	4,440,498	$	45.0400		200,000,030
Series G	2016	4,440,498	4,440,498	$	45.0400		200,000,030
		29,626,090	29,626,090			$	496,970,324