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Accrued Expenses and Other Current Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2016
Payables and Accruals [Abstract] |
Schedule of Accrued Liabilities [Table Text Block] | Accrued expenses and other current liabilities are comprised of the following as of December 31:
|  | 2016 |  |  | 2015 |
Accrued payroll and related liabilities |  | $ | 4,658 |  |  | $ | 2,977 |
Accrued bonus and commissions |  |  | 5,169 |  |  |  | 3,610 |
Accrued insurance liabilities |  |  | 1,096 |  |  |  | 920 |
Accrued job costs |  |  | 12,659 |  |  |  | 6,400 |
Other accrued liabilities |  |  | 2,447 |  |  |  | 1,753 |
Total |  | $ | 26,029 |  |  | $ | 15,660 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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