Organization and Significant Accounting Policies (Details Textual) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Net loss	$ (201,600)	$ (1,032,100)	$ 4,146,200
Accumulated deficit	(51,157,700)		(50,956,100)
Allowance for Doubtful Accounts Receivable	53,300		53,300
Inventory Valuation Reserves	1,053,200		1,053,200
Advertising Expense	$ 1,700	$ 1,000
Sales Revenue, Goods, Net [Member]
Concentration Risk, Customer	58.00%	78.00%
Patents [Member]
Finite-Lived Intangible Asset, Useful Life	17 years
Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Maximum [Member]
Property, Plant and Equipment, Useful Life	5 years