Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2021

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Schedule of Other Current Assets

Other current assets consisted of the following:

	December 31,
	2021		2020
	(in thousands)
Reagents and supplies	$	12,206	$	16,491
Prepaid expenses		4,244		3,682
Marketable securities interest receivable		2,743		1,016
Prepaid income taxes		1,716		14
Other receivable		1,403		17,810
Contract assets		237		1,379
Total	$	22,549	$	40,392