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6. Accrued Expenses (Tables)
3 Months Ended
Mar. 31, 2018
Payables and Accruals [Abstract]  
Schedule Of Accrued Expenses

Accrued expenses consisted of the following:

 

    March 31,
2018
   

December 31,

2017

 
Payroll and incentive compensation   $ 2,080     $ 2,208  
Real estate taxes     271       371  
Other     498       405  
    $ 2,849     $ 2,984