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Note 4 - Discontinued Operations - Income Statement (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Net earnings from discontinued operations attributable to Company |  | $ 1,104 | $ 23,807
Basic (in dollars per share) |  | $ 0.03 | $ 0.66
Diluted (in dollars per share) |  | $ 0.03 | $ 0.65
Field Asset Services [Member] |  |  |
Revenues |  | $ 479,636 | $ 1,132,002
Cost of revenues |  | 340,941 | 800,046
Selling, general and administrative expenses |  | 106,894 | 249,481
Depreciation |  | 7,566 | 17,634
Amortization of intangible assets |  | 4,253 | 8,744
Acquisition-related items |  | 214 | 723
Operating earnings |  | 19,768 | 55,374
Interest expense, net |  | 993 | 6,932
Other expense |  | 147 | 255
Earnings before income tax |  | 18,628 | 48,187
Income tax expense |  | 9,216 | 13,593
Net operating earnings from discontinued operations |  | 9,412 | 34,594
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax |  |  | 2,756
Net earnings from discontinued operations |  | 9,412 | 37,350
Non-controlling interest share of earnings |  | 4,566 | 3,426
Non-controlling interest redemption increment |  | 3,742 | 10,117
Net earnings from discontinued operations attributable to Company |  | $ 1,104 | $ 23,807
Basic (in dollars per share) |  | $ 0.03 | $ 0.66
Diluted (in dollars per share) |  | $ 0.03 | $ 0.65

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