Investments in available-for-sale debt securities (Tables)

9 Months Ended

Sep. 30, 2022

Investments in Available-for-Sale Debt Securities Disclosure [Abstract]

Schedule of investments Investments in available-for-sale debt securities by type

Investments in available-for-sale debt securities as of September 30, 2022 are summarized by type below (in thousands).

	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value⁽¹⁾
U.S. government	$	199	$	—	$	(3	)	$	196
Corporate and other taxable bonds		1,214		—		(28	)		1,186
Other		635		—		(69	)		566
	$	2,048	$	—	$	(100	)	$	1,948

Schedule of amortized cost and estimated fair value of held-to-maturity debt securities by contractual maturity dates

The amortized cost and estimated fair value of available-for-sale debt securities at September 30, 2022 are summarized below by contractual maturity dates (in thousands).

	Due in one year or less		Due after one year through five years		Mortgage-backed securities		Total
Amortized cost	$	428	$	1,620	$	—	$	2,048
Fair value⁽¹⁾	$	422	$	1,526	$	—	$	1,948

Schedule of unrealized loss on available-for-sale debt securities

The following table shows the gross unrealized holding losses and fair value of our available-for-sale securities with unrealized holding losses, summarized by type of securities and length of time that individual securities had been in a continuous loss position deemed to be temporary as of September 30, 2022 (in thousands).

	Less than 12 months					12 months or more				Total
	Fair value⁽¹⁾		Gross unrealized losses			Fair value⁽¹⁾		Gross unrealized losses		Fair value⁽¹⁾		Gross unrealized losses
U.S. government	$	196	$	(3	)	$	—	$	—	$	196	$	(3	)
Corporate and other taxable bonds		1,186		(28	)		—		—		1,186		(28	)
Other		566		(69	)		—		—		566		(69	)
	$	1,948	$	(100	)	$	—	$	—	$	1,948	$	(100	)

We did not consider any of our available-for-sale securities to be impaired as of September 30, 2022. When evaluating for impairment we assess indicators that include but are not limited to, financial performance, changes in underlying credit ratings, market conditions and offers to purchase or sell.

(1)	The fair value of the Company's available-for-sale debt securities are determined based upon inputs, other than the quoted prices in active markets, that are observable either directly or indirectly and are classified as level 2 fair value measurements.