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Note 12 - Income Taxes and Deferred Tax Asset/Liability - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Assets related to: |  |
Goodwill | $ 3,909 | $ 6,705
Valuation allowance for deferred tax assets | (58,000) |
Current [Member] |  |
Assets related to: |  |
Accrued compensation and other | 4,490 |
Noncontrolling interest | 2,085 |
Deferred revenue | 482 |
Revaluation of put/call liabilities | 16,620 |
Net operating loss carryforwards | 41,942 |
Valuation allowance for deferred tax assets | (58,034) |
Liabilities related to: |  |
Depreciation of property and equipment | (11,471) |
Receivables from and equity in construction joint ventures |  |
Other | (23) |
Net asset |  |
Long-term [Member] |  |
Assets related to: |  |
Accrued compensation and other |  | 2,084
Noncontrolling interest |  | 2,247
Deferred revenue |  | 688
Revaluation of put/call liabilities |  | 18,638
Net operating loss carryforwards |  | 39,317
Valuation allowance for deferred tax assets |  | (56,399)
Liabilities related to: |  |
Depreciation of property and equipment |  | (11,766)
Receivables from and equity in construction joint ventures |  | (1,494)
Other |  | (20)
Net asset |  |

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