Inventories (Tables)

12 Months Ended

Dec. 31, 2014

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:

	2014		2013
Raw materials	$	740,300	$	813,000
Work-in-progress		259,400		357,700
Finished goods		1,034,200		967,600
Merchandise		84,000		103,700
	$	2,117,900	$	2,242,000