Condensed Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Statement Condensed Balance Sheets Parenthetical [Line Items]
Allowance for doubtful accounts	$ 73,849	$ 179,259
Allowance for doubtful accounts noncurrent		167,971
Accumulated depreciation on Furniture, Fixtures & Equipment	467,483	458,708
Accumulated amortization of patents	$ 459,380	$ 420,556
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	16,929,578	16,563,306
Common stock, shares to be issued	1,655,317	1,635,709
Common stock, shares outstanding	16,896,245	16,529,973
Treasury stock, at cost	33,333	33,333