The Company’s portfolio of available-for-sale securities consists of high credit quality corporate debt securities. The following is a summary of the Company’s available-for-sale securities as of March 31, 2022 and December 31, 2021:

	March 31, 2022
			Gross		Gross		Fair Value
	Amortized		Unrealized		Unrealized		(Net Carrying
	Cost		Gains		Losses		Amount)
Corporate debt securities	$	6,948,584	$	—	$	—	$	6,948,584
Total available-for-sale securities	$	6,948,584	$	—	$	—	$	6,948,584

	December 31, 2021
			Gross		Gross		Fair Value
	Amortized		Unrealized		Unrealized		(Net Carrying
	Cost		Gains		Losses		Amount)
Corporate debt securities	$	12,343,456	$	—	$	—	$	12,343,456
Total available-for-sale securities	$	12,343,456	$	—	$	—	$	12,343,456

There were no gross unrealized losses relating to the Company’s available-for-sale securities investments as of March 31, 2022.

Contractual maturities of all of the Company’s debt securities investments were less than one year as of March 31, 2022. Expected maturities may differ from contractual maturities where issuers of the securities have the right to prepay obligations without prepayment penalties.