Inventories

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Inventories

3.  Inventories

	December 31,
Inventories consisted of:	2016		2015
Finished goods	$	33,971,922	$	29,802,745
Work in process		187,833		169,540
Materials and supplies		3,078,106		5,535,306
	$	37,237,861	$	35,507,591

Inventories are stated net of valuation allowances for slow moving and obsolete inventory of $677,253 as of December 31, 2016 and $698,592 as of December 31, 2015.