Inventory

9 Months Ended

Sep. 30, 2021

Inventory consisted of the following:


(in thousands)	September 30, 2021		December 31, 2020
Raw materials	$	15,173	$	16,000
Work in process	11,560		11,212
Finished goods	7,216		8,532
Total inventory	$	33,949	$	35,744

Inventory costs associated with products that have not yet received regulatory approval are capitalized if the Company believes there is probable future commercial use of the product and future economic benefit of the asset. If future commercial use of the product is not probable, then inventory costs associated with such product are expensed during the period the costs are incurred. As of September 30, 2021, the Company had $3.2 million of such product costs included in inventories related to DEFINITY that have been manufactured through the Company’s in-house manufacturing capabilities, which is awaiting regulatory approval.