CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue	$ 186,797	$ 188,315	$ 159,518
Operating expenses:
Research and development	67,639	64,107	63,691
Selling, general and administrative	75,516	83,335	81,288
Restructuring	3,728
Total operating expenses	146,883	147,442	144,979
Loss from operations	(30,053)	(34,081)	(48,936)
Non-operating expense, net:
Foreign exchange loss	(648)	(690)	(572)
Interest expense	(8,386)	(5,831)	(4,923)
Other income (expense), net	1,765	(1,735)	374
Total non-operating expense, net	(7,269)	(8,256)	(5,121)
Loss before income taxes	(37,322)	(42,337)	(54,057)
Provision for income taxes	325	488	319
Net loss	(37,647)	(42,825)	(54,376)
Net loss attributable to noncontrolling interest	(158)	(46)	(2)
Net loss attributable to Cerus Corporation	$ (37,489)	$ (42,779)	$ (54,374)
Net loss per share attributable to Cerus Corporation
Basic	$ (0.21)	$ (0.24)	$ (0.32)
Diluted	$ (0.21)	$ (0.24)	$ (0.32)
Weighted average shares outstanding:
Basic	180,270	176,545	171,279
Diluted	180,270	176,545	171,279
Product
Revenue	$ 156,367	$ 162,048	$ 130,859
Cost of revenue	69,967	74,954	63,475
Gross profit	86,400	87,094	67,384
Government Contract
Revenue	$ 30,430	$ 26,267	$ 28,659