| (30) | Other income (expenses) |
| | | 2017 | | 2016 | | 2015 | | |||
| Other income | | | | | | | | | | |
| Sale of scrap of biological assets, raw materials, by-products and other | | $ | 896,840 | | | 1,076,902 | | | 636,386 | |
| Bargain purchase gain of domestic business acquisition (note 4b) | | | 87,496 | | | - | | | - | |
| Total other income | | | 984,336 | | | 1,076,902 | | | 636,386 | |
| Other expenses | | | | | | | | | | |
| Cost of disposal of biological assets, raw materials, by-products and other | | | (731,110) | | | (704,152) | | | (507,196) | |
| Other | | | (85,584) | | | (112,548) | | | (133,830) | |
| Total other expenses | | | (816,694) | | | (816,700) | | | (641,026) | |
| Total other income (expenses), net | | $ | 167,642 | | | 260,202 | | | (4,640) | |