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6. Accrued Expenses (Tables)
6 Months Ended
Jun. 30, 2018
Payables and Accruals [Abstract]  
Schedule Of Accrued Expenses

Accrued expenses consisted of the following:

 

    June 30,
2018
   

December 31,

2017

 
Payroll and incentive compensation   $ 2,474     $ 2,208  
Real estate taxes     374       371  
Other     540       405  
    $ 3,388     $ 2,984