Summary Of Significant Accounting Policies - Addtionalinformation (Detail) (USD $)	12 Months Ended		63 Months Ended				12 Months Ended				12 Months Ended			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2010	Oct. 04, 2007	May 09, 2007	Dec. 31, 2012 Research and Development Expense	Dec. 31, 2012 Warrant	Dec. 31, 2011 Warrant	Dec. 31, 2012 Jp Morgan Chase Bank	Dec. 31, 2012 Md Anderson	Dec. 31, 2011 Md Anderson	Jun. 30, 2012 Md Anderson	Dec. 31, 2012 Md Anderson Research and Development Expense	Dec. 31, 2011 Md Anderson Research and Development Expense	Dec. 31, 2012 Related Party	Dec. 31, 2011 Related Party	Dec. 31, 2011 Related Party Research and Development Expense
Significant Accounting Policies [Line Items]
Cash paid to MD Anderson Cancer Center for expenses							$ 37,700							$ 463,870	$ 596,802
Technology impairment	345,000	345,000	690,000											463,870
Accounts payable - related party	8,582	67,971	8,582
Accrued license payments - related party	100,000	39,538	100,000
Accrued expense - related party	26,000	41,000	26,000
Cash, FDIC insured amount		702,252								284,046
Other intangible assets, net	1,572,143	2,077,414	1,572,143
Other finite-lived intangible assets, gross	2,500,374	2,868,877	2,500,374
Amortization of intangible assets	928,231	791,463
Technology cost paid incash												836,207	836,207
Technology cost paid in shares												3,138,889	3,138,889
Technology cost paid in shares value												2,354,167	2,354,167
Technology impairment charge							345,000					690,000	690,000
Technology amortisation period	15 years
Technology amortisation monthly	160,000		160,000
Research and Development																26,000	544,000	544,000
Stock options and warrants	63,385	382,918	3,013,752
Purchase of drug product material	594,440
Product testing and other services cost	174,671
Clinical Trial Expense	124,685						37,700				37,700	37,700
Licence Maintenance Fees							50,000				50,000	50,000
siRNA patent technology license							31,170
Research and development costs expenses	1,132,712	544,000					596,802
Federal deposit insurance										250,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3,296,354	3,131,043						85,620	1,437,049		463,870
Amortization	185,271	211,709	976,734				185,271
Equity compensation	63,385						53,645
Cash	$ 534,046	$ 952,252	$ 534,046	$ 238,565	$ 0	$ 0