1. Organization and basis of presentation (Details Narrative) (USD $)	6 Months Ended		174 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Dec. 31, 2011
Organization And Basis Of Presentation Details Narrative
Deficit accumulated during the development stage	$ 76,157,415		$ 76,157,415	$ 69,289,467
Negative cash flow from operations	2,335,322	3,005,779	30,537,439
Stockholders' deficiency	3,443,137		3,443,137	3,105,282
Working capital deficiency	1,798,382		1,798,382
Proceeds from issuance of convertible notes and warrant	1,326,740	3,393,430	17,891,788
Proceeds from sale of convertible notes	17,891,788
Proceeds from sale of convertible notes and common stock	$ 29,171,312