CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
REVENUES	$ 3,595,303	$ 3,567,137	$ 9,616,300	$ 9,244,984
COST OF REVENUES	(1,275,292)	(1,326,083)	(3,412,306)	(3,253,898)
Gross profit	2,320,011	2,241,054	6,203,994	5,991,086
OPERATING EXPENSES
Selling	478,095	740,226	1,466,178	1,693,057
General and administrative	940,108	1,153,830	3,049,606	3,968,513
Research and development	592,185	847,294	1,956,532	2,236,799
Total operating expenses	2,010,388	2,741,350	6,472,316	7,898,369
Income (loss) from operations	309,623	(500,296)	(268,322)	(1,907,283)
OTHER INCOME (EXPENSE)
Interest income	9	19	37	76
Interest expense	(3,667)	(7,308)	(8,667)	(22,308)
Other expense	0	(1,864)	0	(1,864)
Other Income Expense	(3,658)	(9,153)	(8,630)	(24,096)
Net income (loss)	$ 305,965	$ (509,449)	$ (276,952)	$ (1,931,379)
Net income (loss) per common share -
Basic (in dollars per share)	$ 0.01	$ (0.02)	$ (0.01)	$ (0.07)
Diluted (in dollars per share)	$ 0.01	$ (0.02)	$ (0.01)	$ (0.07)
Weighted average common shares used in computing per share amounts -
Basic (in shares)	27,409,630	26,851,430	27,175,909	26,530,926
Diluted (in shares)	27,703,484	26,851,430	27,175,909	26,530,926