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Prepaid Expenses and Other Current Assets
 12 Months Ended
Dec. 31, 2017
Text Block [Abstract]  
Prepaid Expenses and Other Current Assets

6. Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets comprised of the following:

 

 

 

December 31,

 

 

 

2017

 

 

2016

 

Prepaid insurance

 

$

551

 

 

$

514

 

Prepaid expenses

 

 

1,112

 

 

 

861

 

Prepaid income taxes

 

 

1,382

 

 

 

-

 

Rail rebate receivables

 

 

776

 

 

 

-

 

Other receivables

 

 

28

 

 

 

28

 

Total prepaid expenses and other current assets

 

$

3,849

 

 

$

1,403