CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Operating expenses:
Research and development	$ 18,900	$ 14,969	$ 35,505	$ 29,451
Selling, general and administrative	21,182	18,973	41,468	38,772
Total operating expenses	40,082	33,942	76,973	68,223
Loss from operations	(3,423)	(3,836)	(9,276)	(11,815)
Non-operating expense, net:
Foreign exchange (loss) gain	(911)	(77)	(1,198)	68
Interest expense	(2,150)	(2,330)	(4,260)	(4,564)
Other income, net	845	412	1,451	864
Total non-operating expense, net	(2,216)	(1,995)	(4,007)	(3,632)
Loss before income taxes	(5,639)	(5,831)	(13,283)	(15,447)
Provision for (benefit from) income taxes	76	(56)	150	18
Net loss	(5,715)	(5,775)	(13,433)	(15,465)
Net loss attributable to noncontrolling interest	(8)	0	(9)	(2)
Net loss attributable to Cerus Corporation	$ (5,707)	$ (5,775)	$ (13,424)	$ (15,463)
Net loss per share attributable to Cerus Corporation
Basic	$ (0.03)	$ (0.03)	$ (0.07)	$ (0.08)
Diluted	$ (0.03)	$ (0.03)	$ (0.07)	$ (0.08)
Weighted average shares outstanding:
Basic	191,301	184,982	189,195	183,536
Diluted	191,301	184,982	189,195	183,536
Product
Revenue	$ 52,445	$ 45,079	$ 95,684	$ 83,444
Cost of revenue	23,470	20,413	41,285	37,506
Gross profit	28,975	24,666	54,399	45,938
Government Contract
Revenue	$ 7,684	$ 5,440	$ 13,298	$ 10,470