Note 3 - Inventories and Other Deferred Costs (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	June 30, 2021		December 31, 2020
	(in thousands)
Raw materials	$	5,182	$	5,044
Work-in-process		9,193		6,004
Finished products		24,775		28,117
Other deferred costs		5,601		5,950
Total inventory and other deferred costs	$	44,751	$	45,115