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Consolidated Statements of Cash Flows Information (Tables) | 12 Months Ended
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Dec. 31, 2016
Supplemental Cash Flow Information [Abstract] |
Schedule of supplemental disclosures of cash flow information | Supplemental disclosures of cash flow information are as follows:
| 2016 |  | 2015 |  | 2014
Net cash paid (received) during the years for: |  |  |  |  |
Interest | $ | 57,269 |  |  | 67,974 |  |  | 109,451 |
Income taxes | $ | 276,789 |  |  | 133,283 |  |  | 148,991 |
Supplemental schedule of non-cash investing and financing activities: |  |  |  |  |
Fair value of net assets acquired in acquisition | — |  |  | 1,564,970 |  |  | 7,267 |
Noncontrolling interest of assets acquired | — |  |  | (24,160 | ) |  | — |
Liabilities assumed in acquisition | — |  |  | (17,147 | ) |  | (7,286 | )
Shares issued for acquisitions | — |  |  | (153,096 | ) |  | — |
| $ | — |  |  | 1,370,567 |  |  | (19 | )

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