Accumulated Other Comprehensive (Loss) Income

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Accumulated Other Comprehensive (Loss) Income

4. Accumulated Other Comprehensive (Loss) Income

The following table summarizes the changes in accumulated other comprehensive (loss) income, net of tax, from unrealized gains (losses) on available-for-sale marketable securities, the Company’s only component of accumulated other comprehensive (loss) income, for the years ended December 31, 2021, 2020 and 2019.

	Total Accumulated
	Other Comprehensive
	(Loss) Income
Balance, December 31, 2018	$	(114)
Other comprehensive income before reclassifications		284
Amount reclassified from accumulated other comprehensive loss		—
Net current period other comprehensive income		284
Balance, December 31, 2019		170
Other comprehensive income before reclassifications		175
Amount reclassified from accumulated other comprehensive income		(272)
Net current period other comprehensive loss		(97)
Balance, December 31, 2020	$	73
Other comprehensive loss before reclassifications		(392)
Amount reclassified from accumulated other comprehensive income		(39)
Net current period other comprehensive loss		(431)
Balance, December 31, 2021	$	(358)

Amounts reclassified out of accumulated other comprehensive (loss) income into net (loss) income are determined by specific identification. The reclassifications out of accumulated other comprehensive (loss) income and into net (loss) income were as follows:

							Affected Line Item in the
Component of Accumulated Other	Year Ended December 31,						Statements of
Comprehensive (Loss) Income	2021		2020		2019		Comprehensive (Loss) Income
Unrealized gains (losses) on available-for-sale marketable securities:
Realized gains on sales of securities	$	39	$	272	$	—	Other income, net
Income tax effect		—		—		—	Benefit from income taxes
Realized gains on sales of securities, net of tax	$	39	$	272	$	—