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Inventories (Tables)
6 Months Ended
Jun. 30, 2021
Inventories  
Schedule of inventories

    

June 30, 

    

December 31, 

2021

2020

($000's omitted)

Raw material and common parts

$

16,161

$

16,989

Work-in-process

 

3,166

 

4,273

Finished goods

 

3,681

 

3,864

 

23,008

 

25,126

Less inventory reserve

 

(1,701)

 

(1,720)

Total inventories

$

21,307

$

23,406