Note 3 - Inventories and Other Deferred Costs (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	December 31, 2019		December 31, 2018
	(in thousands)
Raw materials	$	5,359	$	4,085
Work-in-process		6,238		5,095
Finished products		23,032		16,391
Other deferred costs		4,898		1,817
Total inventory and other deferred costs	$	39,527	$	27,388