CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating expenses:
Research and development	$ 14,057	$ 15,748
Selling, general and administrative	20,735	19,170
Total operating expenses	34,792	34,918
Loss from operations	(9,848)	(16,447)
Non-operating expense, net:
Foreign exchange loss	(198)	(396)
Interest expense	(1,380)	(972)
Other (expense) income, net	(782)	456
Total non-operating expense, net	(2,360)	(912)
Loss before income taxes	(12,208)	(17,359)
Provision for income taxes	76	98
Net loss	(12,284)	(17,457)
Net loss attributable to Cerus Corporation	$ (12,284)	$ (17,457)
Net loss per share attributable to Cerus Corporation
Basic and diluted	$ (0.07)	$ (0.10)
Weighted average shares outstanding:
Basic and diluted	174,478	168,824
Product
Revenue	$ 37,444	$ 23,379
Cost of revenue	18,076	11,095
Gross profit	19,368	12,284
Government Contract
Revenue	$ 5,576	$ 6,187