Inventories (Tables)

12 Months Ended

Dec. 31, 2015

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories, consisting of materials, materials overhead, labor, and manufacturing overhead, are stated at the lower of average cost or market (net realizable value) and consist of the following at December 31:

	2015		2014
Raw materials	$	628,100	$	740,300
Work-in-progress		312,200		259,400
Finished goods		541,400		1,034,200
Merchandise		65,300		84,000
	$	1,547,000	$	2,117,900