Inventories (Tables)

12 Months Ended

Dec. 31, 2012

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:

	2012		2011
Raw materials	$	807,000	$	851,000
Work-in-progress		323,600		325,100
Finished goods		732,300		582,200
Merchandise		47,600		41,300
	$	1,910,500	$	1,799,600