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Note 4 - Discontinued Operations (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Schedule of Disposal Groups Including Discontinued Operations, Income Statement [Table Text Block] |
|  | 2016 |  | 2015 |  | 2014
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 |
Net gain on disposal |  |  | - |  |  |  | - |  |  |  | 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 |
Net earnings per share from discontinued operations |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | - |  |  | $ | 0.03 |  |  | $ | 0.66 |
Diluted |  |  | - |  |  |  | 0.03 |  |  |  | 0.65 |

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