CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Accounts receivable - trade, allowance for doubtful accounts	$ 85,475	$ 47,475
Deferred Tax Asset, Valuation Allowance	0	0
Patents, amortization	$ 234,072	$ 205,877
COMMON STOCK, no par value	$ 0	$ 0
COMMON STOCK, shares authorized	50,000,000	50,000,000
COMMON STOCK, shares issued	15,737,380	15,726,196
COMMON STOCK, shares outstanding	15,737,380	15,726,196
Preferred Stock
CONVERTIBLE PREFERRED STOCK, no par value	$ 0	$ 0
CONVERTIBLE PREFERRED STOCK, convertible into Common Stock for each preferred share 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
CONVERTIBLE PREFERRED STOCK, no par value	$ 0	$ 0
CONVERTIBLE PREFERRED STOCK, convertible into Common Stock for each preferred share 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