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Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Rent Expense
Rent expense consisted of the following:
 
Three Months Ended
March 31,
 
2018
 
2017
Straight-line rent expense
$
83

 
$
83

Contingent rent expense
89

 
77

   Total rent expense
$
172

 
$
160

Schedule of Future Minimum Rental Payments
Future minimum lease payments as of March 31, 2018 are as follows:
Years ending December 31,
 
Operating Leases
2018
 
256

2019
 
347

2020
 
353

2021
 
59

Thereafter
 

   Total
 
$
1,015