Disaggregation of Revenue [Table Text Block] |
| | Three months ended June 30, | | Six months ended June 30, | | | 2019 | | 2018 | | 2019 | | 2018 | Personal Care | | $ | | | | $ | | | | $ | | | | $ | | | Pharmaceutical | | | | | | | | | | | | | | | | | Medical | | | | | | | | | | | | | | | | | Industrial and other | | | | | | | | | | | | | | | | | | | $ | | | | $ | | | | $ | | | | $ | | |
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Revenue from External Customers by Geographic Areas [Table Text Block] |
| | Three months ended | | Six months ended | | | June 30, | | June 30, | | | 2019 | | 2018 | | 2019 | | 2018 | United States * | | $ | 2,590,643 | | | $ | 3,219,414 | | | $ | 5,149,548 | | | $ | 6,046,913 | | Other countries | | | 688,756 | | | | 666,473 | | | | 1,310,168 | | | | 1,275,238 | | | | $ | 3,279,399 | | | $ | 3,885,887 | | | $ | 6,459,716 | | | $ | 7,322,151 | |
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