Accounting policies (Tables)

9 Months Ended

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