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Accounting policies (Tables) | 9 Months Ended
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Sep. 30, 2018
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 September 30, |  |  | Nine Months Ended September 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Retail revenues |  | $ | 6,185,558 |  |  | $ | 5,570,654 |  |  | $ | 18,884,929 |  |  | $ | 18,111,274 |
Bulk revenues |  |  | 8,577,456 |  |  |  | 7,881,464 |  |  |  | 25,294,821 |  |  |  | 23,615,787 |
Services revenues |  |  | 807,424 |  |  |  | 111,302 |  |  |  | 1,054,100 |  |  |  | 360,758 |
Manufacturing revenues |  |  | 3,253,750 |  |  |  | 3,008,783 |  |  |  | 4,798,948 |  |  |  | 5,444,678 |
Total revenues |  | $ | 18,824,188 |  |  | $ | 16,572,203 |  |  | $ | 50,032,798 |  |  | $ | 47,532,497 |

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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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