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CONDENSED STETEMENTS OF OPERATIONS (Unaudited) (USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Income Statement [Abstract]    
Revenues $ 4,265,175 $ 3,953,759
Cost of revenues 2,557,090 2,430,690
Gross profit 1,708,085 1,523,069
Operating expenses:    
Research and development 524,750 784,045
Sales and marketing 559,199 960,027
General and administrative 461,062 613,158
Total operating expenses 1,545,011 2,357,230
Operating income (loss) 163,074 (834,161)
Interest expense and other, net (35,857) (29,628)
Net income (loss) before income taxes 82,787 (863,789)
Income tax expense (7,985) (7,985)
Net income (loss) $ 74,802 $ (871,774)
Net income (loss) per share:    
Basic $ 0.02 $ (0.18)
Diluted $ 0.02 $ (0.18)
Weighted average shares outstanding:    
Basic 4,861,063 4,838,214
Diluted 4,871,992 4,838,214