Note 3 - Inventories and Other Deferred Costs (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30, 2019		December 31, 2018
	(in thousands)
Raw materials	$	4,916	$	4,085
Work-in-process		5,037		5,095
Finished products		22,331		16,391
Other deferred costs		4,411		1,817
Total inventory and other deferred costs	$	36,695	$	27,388