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Other Assets (Tables)
12 Months Ended
Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Assets

Other assets consist of the following:

December 31,

2019

2018

 

Patents, at cost

$

7,181

$

6,955

Accumulated amortization

(4,780

)

(4,491

)

Deposits on capital items

11,886

12,106

Right-of-use assets

2,610

Other

3,441

3,093

$

20,338

$

17,663