7 - Secured Promissory Notes and Advances (Detail) (USD $)	3 Months Ended			9 Months Ended		12 Months Ended				12 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	12 Months Ended					69 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended				45 Months Ended	1 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Mar. 31, 2008	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2008	Dec. 31, 2011	Oct. 31, 2012 Portion Eligible to be Converted to Common Stock [Member] Secured Debt Conversion [Member]	Oct. 31, 2012 Portion Owed to Related Parties [Member] Secured Debt Conversion [Member]	Dec. 31, 2011 2008 Bridge loan [Member] November 23, 2011 [Member]	Dec. 31, 2011 2008 Bridge loan [Member] December 16, 2011 [Member]	Sep. 30, 2012 2008 Bridge loan [Member] January 31, 2012 [Member]	Sep. 30, 2012 2008 Bridge loan [Member] February 17, 2012 [Member]	Sep. 30, 2012 2008 Bridge loan [Member]	Sep. 30, 2012 2008 Bridge loan [Member]	Dec. 31, 2011 2008 Bridge loan [Member]	Dec. 31, 2010 2008 Bridge loan [Member]	Dec. 31, 2009 2008 Bridge loan [Member]	Dec. 31, 2008 2008 Bridge loan [Member]	Dec. 31, 2007 2008 Bridge loan [Member]	Sep. 30, 2012 2008 Bridge loan [Member]	Sep. 30, 2012 2009 Bridge loan [Member]	Sep. 30, 2011 2009 Bridge loan [Member]	Sep. 30, 2012 2009 Bridge loan [Member]	Sep. 30, 2011 2009 Bridge loan [Member]	Dec. 31, 2011 2009 Bridge loan [Member]	Dec. 31, 2010 2009 Bridge loan [Member]	Dec. 31, 2009 2009 Bridge loan [Member]	Dec. 31, 2008 2009 Bridge loan [Member]	Sep. 30, 2012 2009 Bridge loan [Member]	Oct. 31, 2012 Secured Debt Conversion [Member]	Oct. 31, 2012 Renegotiated Debt [Member]	Sep. 30, 2012 Renegotiated Debt [Member]
Proceeds from Issuance of Debt																			$ 1,320,000	$ 600,000								$ 152,500
Proceeds from Related Party Debt																			170,000	330,000								65,000	310,000
Debt Instrument, Face Amount	200,000			200,000															1,920,000
Debt Instrument, Maturity Date, Description																			mature 13 to 18 months after issuance
Debt Instrument, Periodic Payment, Interest										6,625	6,411	6,624	3,277			42,600										59,300
Debt Instrument, Interest Rate, Stated Percentage														13.00%	13.00%						13.00%							13.00%
Debt Instrument, Fee															origination and documentation fee equal to 3% and 2.5%, respectively
Debt Instrument, Convertible, Conversion Price (in Dollars per share)														$ 0.25	$ 0.25						$ 0.25	$ 0.25		$ 0.25						$ 0.25	$ 0.50
Interest and Debt Expense	292,000	317,000		868,000	907,000									101,000	266,000						1,375,000	21,000		60,000						273,000
Warrants issued with debt, description																		two common stock purchase warrants for every dollar received
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted (in Shares)						14,233,503												3,840,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)																	0.01	0.50	1.00								0.01
Stock Issued During Period, Shares, Conversion of Convertible Securities (in Shares)																		3,840,000
Debt Instrument, Unamortized Discount																	11,000										3,000					192,000
Warrant, put price per share (in Dollars per share)																	$ 0.15
Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature																	288,000
Related Party Transaction, Description of Transaction				consulting agreement with one of its board members																									two related party secured note holders
Debt Instrument, Payment Terms																											note holders waived their initial installment payment for 60 days to receive their first installment payment as of January 31, 2011					This remaining balance will be paid in interest only payments of approximately $12,000 per month from January 1, 2013 through September 1, 2013 followed by principal and interest payments of approximately $69,000 per month from September 1, 2013 until September 30, 2014. Of the remaining balances $923,576 will mature on September 30, 2014 with the final payment of all principal and accrued interest at maturity on December 31, 2014.
Stock Issued During Period, Shares, Other (in Shares)			1,143,165																									1,387,500
Amortization of Financing Costs and Discounts																						0	2,000	3,000	6,000
Secured Debt, Current	238,000			238,000			2,380,000															2,382,000		2,382,000		2,380,000				2,382,000
Debt Conversion, Original Debt, Amount																															1,521,848
Debt Conversion, Converted Instrument, Shares Issued (in Shares)																															10,145,523
Equity Issuance, Per Share Amount (in Dollars per share)																															$ 0.15	$ 0.01
Warrants, term																															7 years
Number of warrants issued (in Shares)																															1,521,843	2,145,000
Investment Warrants, Exercise Price (in Dollars per share)																															$ 0.01	$ 0.25
Secured Debt	2,612,000			2,612,000			2,380,000	764,221	878,466																						2,374,281		3,896,000
Stock Issued During Period, Shares, New Issues (in Shares)																																650,000
Interest Payable																																	$ 1,514,000