Condensed Statements of Shareholders' Equity (Deficit) (Unaudited) (USD $)	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Promissory Note	Deficit Accumulated During the Development Stage	Common Stock 0.19 Per Share	Common Stock 0.19 Per Share Preferred Stock	Common Stock 0.19 Per Share Common Stock	Common Stock 0.19 Per Share Additional Paid-in Capital	Common Stock 0.19 Per Share Promissory Note	Common Stock 0.19 Per Share Deficit Accumulated During the Development Stage	Common Stock 0.32 Per Share	Common Stock 0.32 Per Share Preferred Stock	Common Stock 0.32 Per Share Common Stock	Common Stock 0.32 Per Share Additional Paid-in Capital	Common Stock 0.32 Per Share Promissory Note	Common Stock 0.32 Per Share Deficit Accumulated During the Development Stage	Common Stock Issued for Research and Development 0.53 per Share	Common Stock Issued for Research and Development 0.53 per Share Preferred Stock	Common Stock Issued for Research and Development 0.53 per Share Common Stock	Common Stock Issued for Research and Development 0.53 per Share Additional Paid-in Capital	Common Stock Issued for Research and Development 0.53 per Share Promissory Note	Common Stock Issued for Research and Development 0.53 per Share Deficit Accumulated During the Development Stage	Common Stock Issued for Research and Development 0.65 per Share	Common Stock Issued for Research and Development 0.65 per Share Preferred Stock	Common Stock Issued for Research and Development 0.65 per Share Common Stock	Common Stock Issued for Research and Development 0.65 per Share Additional Paid-in Capital	Common Stock Issued for Research and Development 0.65 per Share Promissory Note	Common Stock Issued for Research and Development 0.65 per Share Deficit Accumulated During the Development Stage	Common Stock Issued for Services 0.90 per Share	Common Stock Issued for Services 0.90 per Share Preferred Stock	Common Stock Issued for Services 0.90 per Share Common Stock	Common Stock Issued for Services 0.90 per Share Additional Paid-in Capital	Common Stock Issued for Services 0.90 per Share Promissory Note	Common Stock Issued for Services 0.90 per Share Deficit Accumulated During the Development Stage	Common Stock Issued for Services 1.06 per Share	Common Stock Issued for Services 1.06 per Share Preferred Stock	Common Stock Issued for Services 1.06 per Share Common Stock	Common Stock Issued for Services 1.06 per Share Additional Paid-in Capital	Common Stock Issued for Services 1.06 per Share Promissory Note	Common Stock Issued for Services 1.06 per Share Deficit Accumulated During the Development Stage
Balance at Feb. 24, 2004	$ 97	$ 0	$ 10	$ 87	$ 0	$ 0
Balance, shares at Feb. 24, 2004		0	6,256,500
Common stock issued for cash	150	0	15	135	0	0
Common stock issued for cash, shares		0	193,500
Net loss	(11,741)	0	0	0	0	(11,741)
Balance at Dec. 31, 2004	(11,494)	0	25	222	0	(11,741)
Balance, shares at Dec. 31, 2004		0	6,450,000
Common stock issued for cash							75,000	0	659	74,341	0	0	50,000	0	16	49,984	0	0
Common stock issued for cash, shares								0	387,000					0	154,800
Common stock issued for research and development	152,760	0	15	152,745	0	0
Common stock issued for research and development, shares		0	154,800
Net loss	(246,004)	0	0	0	0	(246,004)
Balance at Dec. 31, 2005	20,262	0	715	277,292	0	(257,745)
Balance, shares at Dec. 31, 2005		0	7,146,600
Common stock issued for services	36,546	0	7	36,539	0	0
Common stock issued for services, shares		0	73,093
Common stock issued for cash in private placements net of redemptions	549,400	0	151	549,249	0	0
Common stock issued for cash in private placements net of redemptions, shares		0	1,510,000
Common stock issued for research and development	694,000	0	69	693,931	0	0
Common stock issued for research and development, shares		0	694,000
Shares issued in connection with reverse merger	0	0	83	(83)	0	0
Shares issued in connection with reverse merger, shares		0	825,124
Shares cancelled in connection with the sale of Optical Molecular Imaging, Inc.	(65,000)	0	(206)	(64,794)	0	0
Shares cancelled in connection with the sale of Optical Molecular Imaging, Inc., shares		0	(2,059,100)
Exercise of stock options	3,522	0	1	3,521	0	0
Exercise of stock options, shares		0	10,062
Stock based compensation (options)	4,103,645	0	0	4,103,645	0	0
Stock based compensation, shares		0
Net loss	(5,152,713)	0	0	0	0	(5,152,713)
Balance at Dec. 31, 2006	189,662	0	820	5,599,300	0	(5,410,458)
Balance, shares at Dec. 31, 2006		0	8,199,779
Common stock issued for cash in private placements net of redemptions	4,892,486	0	353	4,892,133	0	0
Common stock issued for cash in private placements net of redemptions, shares		0	3,531,603
Exercise of stock options	0	0	5	(5)	0	0
Exercise of stock options, shares		0	51,111
Reclassification of warrant derivative liability	2,233,600	0	0	2,233,600	0	0
Stock based compensation (options)	1,296,714	0	0	1,296,714	0	0
Stock based compensation, shares		0	0
Net loss	(3,614,753)	0	0	0	0	(3,614,753)
Balance at Dec. 31, 2007	4,997,709	0	1,178	14,021,742	0	(9,025,211)
Balance, shares at Dec. 31, 2007		0	11,782,493
Common stock issued for research and development																			424,000	0	80	423,920	0	0	65,000	0	10	64,990	0	0
Common stock issued for research and development, shares																				0	800,000					0	100,000
Stock based compensation (options)	513,357	0	0	513,357	0	0
Stock based compensation, shares		0	0
Net loss	(3,059,730)	0	0	0	0	(3,059,730)
Balance at Dec. 31, 2008	2,940,336	0	1,268	15,024,009	0	(12,084,941)
Balance, shares at Dec. 31, 2008		0	12,682,493
Exercise of stock options	11,814	0	22	64,460	(52,668)	0
Exercise of stock options, shares		0	214,357
Exercise of warrants	462,748	0	197	462,551	0	0
Exercise of warrants, shares		0	1,970,992
Stock based compensation (options)	308,302	0	0	308,302	0	0
Stock based compensation, shares		0	0
Net loss	(2,626,205)	0	0	0	0	(2,626,205)
Balance at Dec. 31, 2009	1,096,995	0	1,487	15,859,322	(52,668)	(14,711,146)
Balance, shares at Dec. 31, 2009		0	14,867,842
Common stock issued for services																															54,000	0	6	53,994	0	0	8,156	0	0	8,156	0	0
Common stock issued for services, shares																																0	60,000					0	7,694
Exercise of stock options	26,500	0	5	26,495	0	0
Exercise of stock options, shares		0	50,000
Stock based compensation (options)	745,697	0	0	745,697	0	0
Stock based compensation, shares		0	0
Common stock and warrants issued for cash net of offering costs	3,248,738	0	423	3,248,315	0	0
Common stock and warrants issued for cash net of offering costs, shares		0	4,230,910
Preferred stock and warrants issued for cash net of offering costs	0	0	0	0	0	0
Preferred stock and warrants issued for cash net of offering costs, shares		400	0
Exercise of warrants in exchange for promissory note	0	0	270	5,399,730	(5,400,000)	0
Exercise of warrants in exchange for promissory note, shares		0	2,700,000
Redemption of preferred stock for repayment of promissory note	3,307,500	0	0	0	5,400,000	(2,092,500)
Redemption of preferred stock for repayment of promissory note, shares		(400)	0
Cashless exercise of stock options	0	0	30	(30)	0	0
Cashless exercise of stock options, shares		0	297,156
Interest on promissory note	(1,614)	0	0	0	(1,614)	0
Net loss	(6,150,142)	0	0	0	0	(6,150,142)
Balance at Dec. 31, 2010	2,335,830	0	2,221	25,341,679	(54,282)	(22,953,788)
Balance, shares at Dec. 31, 2010		0	22,213,602
Exercise of stock options	388,379	0	38	388,341	0	0
Exercise of stock options, shares		0	382,000
Stock based compensation (options)	1,190,133	0	13	1,190,120	0	0
Stock based compensation, shares		0	131,537
Common stock and warrants issued for cash net of offering costs	4,983,339	0	522	4,982,817	0	0
Common stock and warrants issued for cash net of offering costs, shares		0	5,219,768
Cashless exercise of stock options	0	0	67	(67)	0	0
Cashless exercise of stock options, shares		0	667,077
Interest on promissory note	(352)	0	0	0	(352)	0
Redemption of promissory note	54,634	0	0	0	54,634	0
Net loss	(5,719,903)	0	0	0	0	(5,719,903)
Balance at Dec. 31, 2011	3,232,060	0	2,861	31,902,890		(28,673,691)
Balance, shares at Dec. 31, 2011		0	28,613,984
Common stock issued for research and development	0
Exercise of stock options	3,153,852	0	226	3,153,626	0	0
Exercise of stock options, shares	(689,000)	0	2,261,244
Reclassification of warrant derivative liability	1,944,688	0	0	1,944,688	0	0
Exercise of warrants	(3,153,852)
Stock based compensation (options)	382,611	0	0	382,611	0	0
Stock based compensation, shares		0	0
Common stock and warrants issued for cash net of offering costs	9,271,370	0	949	9,270,421	0	0
Proceeds from exercise of stock options	20,500	0	2	20,498
Exercise of stock options, shares		0	20,000
Common stock and warrants issued for cash net of offering costs, shares		0	9,489,436
Exercise of warrants in exchange for promissory note	0
Redemption of preferred stock for repayment of promissory note	0
Cashless exercise of stock options	0	0	45	(45)	0	0
Cashless exercise of stock options, shares		0	450,779
Cashless exercise of warrants	0	0	28	(28)	0	0
Cashless exercise of warrants shares		0	275,757
Restricted stock vested, shares		0	1,251
Restricted stock vested, value	0	0	0	0	0	0
Net loss	(14,978,879)	0	0	0	0	(14,978,879)
Balance at Sep. 30, 2012	$ 3,026,202	$ 0	$ 4,111	$ 46,674,661		$ (43,652,570)
Balance, shares at Sep. 30, 2012		0	41,112,451