CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Class of Stock [Line Items]
Accounts receivable - trade, allowance for doubtful accounts	$ 37,667	$ 37,873
Patents, amortization	$ 322,647	$ 285,075
COMMON STOCK, par value per share	$ 0	$ 0
COMMON STOCK, shares authorized	50,000,000	50,000,000
COMMON STOCK, shares issued	16,256,265	15,883,560
COMMON STOCK, shares outstanding	16,256,265	15,883,560
Convertible Preferred Stock [Member]
Class of Stock [Line Items]
CONVERTIBLE PREFERRED STOCK, par or stated value per share	$ 0	$ 0
CONVERTIBLE PREFERRED STOCK, convertible into Common stock for each preferred stock rate	10	10
CONVERTIBLE PREFERRED STOCK, shares authorized	66,000	66,000
CONVERTIBLE PREFERRED STOCK, shares issued	66,000	66,000
CONVERTIBLE PREFERRED STOCK, shares outstanding	66,000	66,000
Series 2009 Preferred Stock [Member]
Class of Stock [Line Items]
CONVERTIBLE PREFERRED STOCK, par or stated value per share	$ 0	$ 0
CONVERTIBLE PREFERRED STOCK, convertible into Common stock for each preferred stock rate	10	10
CONVERTIBLE PREFERRED STOCK, shares authorized	175,000	175,000
CONVERTIBLE PREFERRED STOCK, shares issued	123,616	123,616
CONVERTIBLE PREFERRED STOCK, shares outstanding	123,616	123,616