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Note 6 - Variable Interest Entities - Consolidated Balance Sheet - Myers (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016 | Jun. 30, 2016 | Dec. 31, 2015
--- | --- | --- | --- | ---
Current assets: |  |  |  |
Cash and cash equivalents | $ 60,058 | $ 42,785 | $ 42,635 | $ 4,426
Contracts receivable, including retainage | 137,913 | 84,132 |  |
Other current assets | 11,206 | 5,448 |  |
Total current assets | 260,749 | 175,908 |  |
Property and equipment, net | 61,275 | 68,127 |  |
Goodwill | 90,971 | 54,820 |  |
Total assets | 455,453 | 301,823 |  |
Current liabilities: |  |  |  |
Accounts payable | 89,468 | 67,097 |  |
Total current liabilities | 187,323 | 146,592 |  |
Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |
Current assets: |  |  |  |
Cash and cash equivalents | 2,348 | 9,655 |  |
Contracts receivable, including retainage | 25,991 | 15,046 |  |
Other current assets | 11,702 | 10,208 |  |
Total current assets | 40,041 | 34,909 |  |
Property and equipment, net | 9,077 | 9,824 |  |
Goodwill | 1,501 | 1,501 |  |
Total assets | 50,619 | 46,234 |  |
Current liabilities: |  |  |  |
Accounts payable | 20,160 | 21,274 |  |
Other current liabilities | 17,504 | 8,782 |  |
Total current liabilities | 37,664 | 30,056 |  |
Long-term liabilities: |  |  |  |
Other long-term liabilities | 321 | 5,373 |  |
Total liabilities | $ 37,985 | $ 35,429 |  |

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