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Condensed Statements of Operations (Unaudited) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Income Statement [Abstract]        
Revenues $ 4,037,502 $ 4,352,611 $ 7,991,261 $ 8,392,053
Cost of revenues 2,539,251 2,526,072 4,969,941 5,051,804
Gross profit 1,498,251 1,826,539 3,021,320 3,340,249
Operating expenses:        
Research and development 739,860 647,558 1,523,905 1,317,333
Sales and marketing 982,405 857,976 1,942,432 1,685,942
General and administrative 496,541 532,475 1,109,699 1,128,032
Total operating expenses 2,218,806 2,038,009 4,576,036 4,131,307
Operating loss (720,555) (211,470) (1,554,716) (791,058)
Interest expense, net (26,860) (172,722) (56,488) (513,409)
Net loss before income taxes (747,415) (384,192) (1,611,204) (1,304,467)
Deferred income tax expense (7,985) (7,985) (15,970) (15,970)
Net loss $ (755,400) $ (392,177) $ (1,627,174) $ (1,320,437)
Net loss per share:        
Basic and diluted $ (0.16) $ (0.09) $ (0.34) $ (0.32)
Weighted average shares outstanding:        
Basic and Diluted 4,854,179 4,233,519 4,846,197 4,084,395