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Goodwill (Tables)
12 Months Ended
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Goodwill
The following presents changes in goodwill during 2019 (in thousands):
 
Goodwill
 
 
December 31, 2018
$

Acquisition of American Electric
139

Acquisition of Diversenergy
4,314

December 31, 2019
$
4,453