Inventories (Tables)

3 Months Ended

Mar. 31, 2021

Inventories

Schedule of inventories

	March 31,		December 31,
	2021		2020
	($000's omitted)
Raw material and common parts	$	16,677	$	16,989
Work-in-process		3,587		4,273
Finished goods		3,770		3,864
		24,034		25,126
Less inventory reserve		(1,777)		(1,720)
Total inventories	$	22,257	$	23,406