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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventories  
Schedule of inventories

December 31, 

December 31, 

    

2021

    

2020

($000's omitted)

Raw material and common parts

$

15,952

$

16,989

Work-in-process

 

3,432

 

4,273

Finished goods

 

2,490

 

3,864

 

21,874

 

25,126

Less inventory reserve

 

(1,742)

 

(1,720)

Total inventories

$

20,132

$

23,406