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Prepaid Expenses and Other Current Assets | 3 Months Ended
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Mar. 31, 2017
Text Block [Abstract] |
Prepaid Expenses and Other Current Assets | 6. Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets were comprised of the following:
|  | March 31, 2017 |  |  | December 31, 2016 |
Prepaid insurance |  | $ | 449 |  |  | $ | 514 |
Prepaid expenses |  |  | 895 |  |  |  | 861 |
Other receivables |  |  | 240 |  |  |  | 28 |
Total prepaid expenses and other current assets |  | $ | 1,584 |  |  | $ | 1,403 |

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