Inventories (Tables)

6 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Summary of Inventories

(table only in thousands)	June 30, 2020			December 31, 2019
Raw materials	$	14,817		$	15,218
Work in process		6,432			7,328
Finished goods		541			654
Obsolescence allowance		(2,893	)		(2,622	)
Total inventories	$	18,897		$	20,578