Inventories - Composition of Inventory (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Inventory Disclosure [Abstract]
Finished goods	$ 2,668,700	$ 2,101,300
Raw materials	3,035,000	2,717,300
Inventory reserve for obsolescence	(62,400)	(120,000)
Inventories, net	$ 5,641,300	$ 4,698,600