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Selling General and Administrative (Tables) | 12 Months Ended
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Dec. 31, 2018
Selling, General and Administrative [abstract] |
Schedule of Selling, General and Administrative Expenses |
|  | Years ended December 31,
|  | 2018 |  | 2017
Selling, general and administrative |  | $ | 21,088 |  | $ | 19,320
Workers' participation |  |  | 1,400 |  |  | 1,750
|  |  | 22,488 |  |  | 21,070
Share-based payments |  |  | 3,701 |  |  | 3,841
|  | $ | 26,189 |  | $ | 24,911

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