Inventories - Schedule of Inventories (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Inventory Disclosure [Abstract]
Raw materials	$ 807,000	$ 851,000
Work-in-progress	323,600	325,100
Finished goods	732,300	582,200
Merchandise	47,600	41,300
Inventories, total	$ 1,910,500	$ 1,799,600