CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
REVENUE:
PCT Products, services, other	$ 217,734	$ 194,730	$ 589,063	$ 667,262
Grant revenue	62,688	177,373	62,688	397,758
Total revenue	280,422	372,103	651,751	1,065,020
COSTS AND EXPENSES:
Cost of PCT products and services	93,610	86,285	250,835	300,360
Research and development	248,188	382,054	730,962	980,338
Selling and marketing	193,975	313,412	740,358	890,265
General and administrative	490,460	432,939	1,351,303	1,445,742
Total operating costs and expenses	1,026,233	1,214,690	3,073,458	3,616,705
Operating loss	(745,811)	(842,587)	(2,421,707)	(2,551,685)
Interest (expense) income	(39,358)	438	(39,029)	1,560
Change in fair value of warrant derivative liability	223,446	0	307,467	0
Loss before income taxes	(561,723)	(842,149)	(2,153,269)	(2,550,125)
Income tax benefit	0	244,479	0	244,479
Net loss	(561,723)	(597,670)	(2,153,269)	(2,305,646)
Accrued interest on convertible debt	5,208	0	5,208	0
Accrued and deemed dividends on convertible preferred stock	(397,331)	(95,205)	(944,782)	(408,767)
Net loss applicable to common shareholders	$ (953,846)	$ (692,875)	$ (3,092,843)	$ (2,714,413)
Net loss per share attributable to common stockholders - basic and diluted (in dollars per share)	$ (0.15)	$ (0.26)	$ (0.50)	$ (1.01)
Weighted average common stock shares outstanding used in the basic and diluted net loss per share calculation (in shares)	6,253,349	2,687,853	6,228,585	2,683,706