Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Carrying Value and Estimated Fair Value of Financial Instruments

	December 31, 2022				December 31, 2023
	Carrying		Fair		Carrying		Fair
	amount		value		amount		value
	(In thousands)
Cash and cash equivalents	$	26,748	$	26,748	$	41,393	$	41,393
Accounts receivable, net		17,840		17,840		17,061		17,061
Accounts payable		3,537		3,537		3,148		3,148