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Note 19 - Commitments and Contingencies | 12 Months Ended
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Dec. 31, 2018
Notes to Financial Statements |
Commitments and Contingencies Disclosure [Text Block] |
19. |  | Commitments and contingencies
(a) Lease commitments Minimum operating lease payments are as follows:
| Year ended December 31 |  |  |  |
| 2019 |  | $ | 86,376 |  |
| 2020 |  |  | 76,169 |  |
| 2021 |  |  | 62,171 |  |
| 2022 |  |  | 51,011 |  |
| 2023 |  |  | 38,103 |  |
| Thereafter |  |  | 97,631 |  |
|  |  | $ | 411,461 |  |
(b) Purchase commitments Minimum contractual purchase commitments are as follows:
| Year ended December 31 |  |  |  |
| 2019 |  | $ | 11,063 |  |
| 2020 |  |  | 6,600 |  |
| 2021 |  |  | 1,467 |  |
| 2022 |  |  | 1,179 |  |
| 2023 |  |  | 491 |  |
|  |  | $ | 20,800 |  |
(c) Contingencies In the normal course of operations, the Company is subject to routine claims and litigation incidental to its business. Litigation currently pending or threatened against the Company includes disputes with former employees and commercial liability claims related to services provided by the Company. The Company believes resolution of such proceedings, combined with amounts set aside, will not have a material impact on the Company’s financial condition or the results of operations.

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