Inventories

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

Inventories

3. Inventories

Inventories consisted of:

	December 31,
	2018		2017
Finished goods	$	33,427,983	$	33,110,826
Work in process		141,646		193,557
Materials and supplies		7,762,508		6,782,488
Inventories, net:	$	41,332,137	$	40,086,871

Inventories are stated net of valuation allowances for slow moving and obsolete inventory of $538,354 as of December 31, 2018 and $654,855 as of December 31, 2017.