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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Lease Commitments

The Company’s lease commitments for its administrative offices in Deer Park, Illinois and its laboratory facility in Lake Zurich, Illinois for 2019 and beyond are as indicated below:

 

Total     2019     2020     2021     Thereafter  
$ 308     $ 137     $ 140     $ 31     $