Summarizes Outstanding Stock Options and Their Respective Exercise Prices (Detail) (USD $)			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Options One	Dec. 31, 2012 Options Two	Dec. 31, 2012 Options Three	Dec. 31, 2012 Options Four
Stockholders Equity Note [Line Items]
Shares Underlying Options	1,400,000	50,000	50,000	150,000	600,000	600,000
Exercise Price			$ 0.77	$ 1.15	$ 0.77	$ 0.54
Dates of Expiration			2014-06	2015-06	2016-06	2017-12
Remaining Contractual Term (in years)			1 year 4 months 24 days	2 years 6 months	3 years 4 months 24 days	4 years 10 months 24 days