Condensed Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Current Assets:
Allowance for doubtful accounts	$ 202,160	$ 202,160
Allowance for doubtful accounts non current	402,840	438,840
Accumulated depreciation on furniture, fixtures and equipment	435,166	426,482
Accumulated amortization of patents	337,764	294,934
Long-term Liabilities:
Discount on notes payable	$ 6,130	$ 8,361
Stockholders' Equity
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	15,152,006	14,915,959
Common stock, shares to be issued	637,013	637,013
Common stock, shares outstanding	15,118,673	14,882,626
Treasury stock, at cost	33,333	33,333