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INVENTORIES (Tables)
 12 Months Ended
Apr. 30, 2020
INVENTORIES  
Table summarizing the components of inventories

 

 

 

 

 

 

 

 

 

 

    

 

2020

    

 

2019

Raw materials

 

$

2,417,000

 

$

1,723,000

Work in process

 

 

961,000

 

 

1,052,000

Finished goods

 

 

178,000

 

 

279,000

 

 

$

3,556,000

 

$

3,054,000