Note 8 - Inventories

6 Months Ended

Jun. 30, 2019

Notes to Financial Statements

Inventory Disclosure [Text Block]

8. Inventories

Inventories consist of the following:

	June 30, 2019		December 31, 2018
Raw materials	$	12,381	$	13,688
Work-in-process		6,399		4,626
Finished goods		8,747		6,819
Total	$	27,527	$	25,133
Inventories	$	22,986	$	21,300
Other long-term assets	$	4,541	$	3,833

Other long-term assets include

$4.5

million and

$3.8

million of inventory expected to remain on hand beyond

one

year as of

June 30, 2019

and

December 31, 2018,

respectively.