Stockholders' Equity (Deficit) - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended									3 Months Ended	12 Months Ended		3 Months Ended		12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended			3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Common Stock [Member]	Dec. 31, 2011 Common Stock [Member]	Dec. 31, 2012 Warrant [Member]	Dec. 31, 2011 Warrant [Member]	Dec. 31, 2011 Employee [Member]	Dec. 31, 2012 Non Executive Employee [Member]	Dec. 31, 2012 Director and Vice President [Member]	Dec. 31, 2012 Restricted Stock [Member] Selling, General and Administrative Expense [Member]	Dec. 31, 2012 Restricted Stock [Member] Selling, General and Administrative Expense [Member]	Dec. 31, 2011 Restricted Stock [Member] Financial Consultant [Member]	Mar. 31, 2011 Restricted Stock [Member] Financial Consultant [Member] Selling, General and Administrative Expense [Member]	Dec. 31, 2011 Restricted Stock [Member] Medical Consultant [Member]	Dec. 31, 2011 Restricted Stock [Member] Medical Consultant [Member]	Dec. 31, 2011 Restricted Stock [Member] Employee [Member]	Dec. 31, 2011 Restricted Stock [Member] Employee [Member]	Dec. 31, 2011 Restricted Stock [Member] Marketing Consultant [Member]	Dec. 31, 2011 Restricted Stock [Member] Marketing Consultant [Member]	Dec. 31, 2012 Restricted Stock [Member] Executive Director 1 [Member]	Dec. 31, 2012 Restricted Stock [Member] Executive Director 1 [Member]	Dec. 31, 2012 Restricted Stock [Member] Executive Director 2 [Member]	Dec. 31, 2012 Restricted Stock [Member] Executive Director 2 [Member]	Dec. 31, 2012 Restricted Stock [Member] Consultant [Member]	Dec. 31, 2012 Restricted Stock [Member] Consultant [Member] Research and Development Expense [Member]	Dec. 31, 2012 Restricted Stock [Member] Director and Vice President [Member]	Dec. 31, 2012 Restricted Stock [Member] Director and Vice President [Member] Selling, General and Administrative Expense [Member]	Dec. 31, 2012 Restricted Stock [Member] Two Other Consultants [Member]	Dec. 31, 2012 Restricted Stock [Member] Two Other Consultants [Member] Selling, General and Administrative Expense [Member]	Dec. 31, 2012 Restricted Stock [Member] Two Other Consultants [Member] Research and Development Expense [Member]	Dec. 31, 2012 Warrants and Stock Options [Member]	Dec. 31, 2011 Warrants and Stock Options [Member]	Dec. 31, 2012 Preferred Stock	Dec. 31, 2011 Preferred Stock
Stockholders Equity Note [Line Items]
Anti-dilutive securities not included in the computation of diluted loss per share																																922,667	922,667	604,214	577,816
Common stock issued for services (in shares)				8,086,524	7,603,253					3,731,198			700,000		300,000	1,450,000	384,615	3,104,179	615,384	3,751,130	1,052,359	2,252,415	2,104,717	3,817,736	849,838		2,104,717		1,066,667
Common stock issued for services		$ 128,000	$ 101,000	$ 8,000	$ 8,000						$ 375,000	$ 91,000		$ 21,000	$ 6,000	$ 24,000	$ 5,000	$ 44,000	$ 8,000	$ 44,000						$ 15,000		$ 55,000		$ 10,000	$ 12,000
Restricted common stocks issued for services, per share											$ 0	$ 0														$ 0		$ 0.014		$ 0	$ 0
Common Stock Share Not Yet Issued																338,860
Restricted common stocks issued for employee compensation, value											25,000
Restricted common stocks issued for employee compensation, per share											$ 0.011
Common Stock, Shares Subscribed but Unissued		566,667
Debt Conversion, Original Debt, Amount			55,500
Debt Instrument, Convertible, Interest Expense			3,000
Debt Conversion, Converted Instrument, Shares Issued			7,306,588
Debt Instrument, Convertible, Conversion Price	$ 0.01		$ 0.01
Convertible Preferred Stock, Shares Issued upon Conversion	10,916		10,916
Dividends, Preferred Stock	118
Purchase Of Restricted Unregistered Common Stock									13,000
Exercise Price Of Restricted Unregistered Common Stock								$ 0.02	$ 0.01
Fair Value Of Warrants							$ 238		$ 185
Expected term (years)		3 years				3 years	3 years
Common Stock Issuable From Current and Periods		4,418,271