The following table summarizes the Company’s marketable investments (in thousands):


	As of December 31, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized			Market
	Cost		Gains		Losses			Value
Corporate obligations	$	18,542	$	—	$	(33	)	$	18,509
Total	$	18,542	$	—	$	(33	)	$	18,509

Realized gains and losses on investments are included in earnings and are determined using the specific identification method. There were no realized gains or losses on the sale of the Company’s marketable investments during the year ended December 31, 2021.

The following table summarizes the maturity periods of the marketable investments in the Company’s portfolio as of December 31, 2021 (in thousands).


	FY2022		FY2023		Total
Corporate obligations	$	11,437	$	7,072	$	18,509
Total	$	11,437	$	7,072	$	18,509

The following table shows the gross unrealized losses and market value of the Company’s available-for-sale securities with unrealized losses that are not deemed to be other-than-temporary, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position (in thousands):


	As of December 31, 2021
	Less Than 12 Months				12 Months or Greater
	Market		Unrealized		Market		Unrealized
	Value		Losses		Value		Losses
Corporate obligations	$	18,509	$	33	$	—	$	—
Total	$	18,509	$	33	$	—	$	—