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Accounting policies (Tables) | 6 Months Ended
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Jun. 30, 2019
Accounting Policies [Abstract] |
Disaggregation of Revenue [Table Text Block] | The following table presents the Company’s revenues disaggregated by revenue source (unaudited).
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Retail revenues |  | $ | 6,983,515 |  |  | $ | 6,268,023 |  |  | $ | 13,670,175 |  |  | $ | 12,699,371 |
Bulk revenues |  |  | 6,941,051 |  |  |  | 7,680,701 |  |  |  | 14,052,364 |  |  |  | 15,127,484 |
Services revenues |  |  | 90,792 |  |  |  | 122,912 |  |  |  | 191,369 |  |  |  | 246,676 |
Manufacturing revenues |  |  | 4,289,902 |  |  |  | 992,430 |  |  |  | 7,379,876 |  |  |  | 1,545,198 |
Total revenues |  | $ | 18,305,260 |  |  | $ | 15,064,066 |  |  | $ | 35,293,784 |  |  | $ | 29,618,729 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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