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Executive Retirement and Severance (Tables)
12 Months Ended
Dec. 31, 2017
Retirement Benefits [Abstract]  
Schedule of changes in the liability

Presented below is a summary of changes in the liability for the years ended December 31, 2017 and 2016:

 

    2016  
       
Balance, beginning of year   $ 583  
Adjustment to fair value     -  
Payment of retirement benefits     (583 )
Negotiated settlement at discount and other     -  
         
Balance, end of year   $ -