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Condensed Statements of Operations (Unaudited) (USD $)
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Income Statement [Abstract]    
Revenues $ 3,953,759 $ 4,039,442
Cost of revenues 2,430,690 2,525,732
Gross profit 1,523,069 1,513,710
Operating expenses:    
Research and development 784,045 669,775
Sales and marketing 960,027 827,966
General and administrative 613,158 595,557
Total operating expenses 2,357,230 2,093,298
Operating loss (834,161) (579,588)
Interest expense, net (including amortization of debt discount of $316,216 for the three months ended March 31, 2011) (29,628) (340,687)
Net loss before income taxes (863,789) (920,275)
Deferred income tax expense (7,985) (7,985)
Net loss $ (871,774) $ (928,260)
Net loss per share:    
Basic and diluted $ (0.18) $ (0.24)
Weighted average shares outstanding:    
Basic and diluted 4,838,214 3,935,271