Note 5. Inventories

A summary of inventories is as follows at December 31 (in thousands):


	2020		2019
Raw materials	$	7,688		843
Work-in-progress		865		4,788
Finished goods		17,252		3,810
Total inventories	$	25,805	$	9,441

Work-in-progress represents inventory items in intermediate stages of production by third party manufacturers. For the years ended December 31, 2020 and 2019, net realizable value inventory adjustments and excess and obsolete inventory charges were $7.1 million and $2.7 million, respectively, and were recognized in cost of revenues.