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Goodwill (Tables)
 12 Months Ended
Sep. 30, 2019
Goodwill  
Schedule of Goodwill

The changes to goodwill during the years ended September 30, 2019 and 2018 are summarized as follows:

 

 

 

 

 

 

 

 

 

 

 

 

    

Innovation &

    

 

    

    

 

 

 

 

Development

 

Optics

 

Total

Goodwill at September 30, 2017

 

$

4,939,000

 

$

1,001,000

 

$

5,940,000

Currency translation on Hilger Crystals

 

 

 —

 

 

(40,000)

 

 

(40,000)

Goodwill at September 30, 2018

 

$

4,939,000

 

$

961,000

 

$

5,900,000

Currency translation on Hilger Crystals

 

 

 —

 

 

(79,000)

 

 

(79,000)

Goodwill at September 30, 2019

 

$

4,939,000

 

$

882,000

 

$

5,821,000