Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2020

Accounting Policies [Abstract]

Amortized Cost Basis, Aggregate Fair Value, Unrealized (Gains)/Losses and Net Carrying Value of Investments in Held-to-maturity Securities

The following table provides the amortized cost basis, aggregate fair value, unrealized gains/losses, and the net carrying value of investments in held-to-maturity securities as of December 31, 2019:

	December 31, 2019
	Amortized		Aggregate		Unrealized		Unrealized			Net Carrying
	Cost		Fair Value		Gains		Losses			Value
Marketable securities:
Corporate bonds/notes	$	2,701,114	$	2,700,678	$	436	$	—		$	2,701,114
Commercial paper		19,245,921		19,245,921		—		—			19,245,921
U.S. government agency securities		2,494,485		2,495,675		—		(1,190	)		2,494,485
Marketable securities total	$	24,441,520	$	24,442,274	$	436	$	(1,190	)	$	24,441,520