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Accrued Expenses
 12 Months Ended
Dec. 31, 2019
Accrued Liabilities, Current [Abstract]  
Accrued Expenses ACCRUED EXPENSES
Accrued expenses at December 31, 2019 and December 31, 2018 consist of the following (in thousands): 
 December 31, 2019December 31, 2018
Deferred compensation$2,008  $2,305  
Property taxes1,095  1,073  
Meter replacement - related party—  350  
Interest475  478  
Dividend payable519  512  
Asset retirement obligation697  555  
Other accrued liabilities2,752  2,192  
Total accrued expenses$7,546  $7,465