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Prepaid Expenses and Other Current Assets (Tables) | 3 Months Ended
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Mar. 31, 2018
Prepaid Expense and Other Assets [Abstract] |
Schedule of prepaid expenses and other current assets | Prepaid expenses and other current assets were comprised of the following:
| March 31, 2018 |  | December 31, 2017
Prepaid insurance | $ | 589 |  |  | $ | 551 |
Prepaid expenses | 1,342 |  |  | 1,112 |
Prepaid income taxes | 1,458 |  |  | 1,382 |
Rail rebate receivables | 952 |  |  | 776 |
Other receivables | 651 |  |  | 28 |
Total prepaid expenses and other current assets | $ | 4,992 |  |  | $ | 3,849 |

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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