Note 3 - Inventories and Other Deferred Costs (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30, 2021		December 31, 2020
	(in thousands)
Raw materials	$	4,688	$	5,044
Work-in-process		10,589		6,004
Finished products		23,521		28,117
Other deferred costs		5,528		5,950
Total inventory and other deferred costs	$	44,326	$	45,115