Note 2 - Basis of Presentation and Recent Accounting Pronouncements (Detail) - Adjustments by Financial Statement Line Item - Statements of Operations (USD $)	1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Statements of operations data:
Gain (loss) on change in fair value of embedded conversion feature	$ (1,996,000)	$ 640,000	$ 3,650,000	$ (1,870,000)	$ (12,120,000)
Interest expense		3,465,175	2,815,444	9,613,933	7,943,686
Net income (loss)		(4,502,443)	(3,594,984)	(18,945,059)	(34,040,132)
Restatement Adjustment [Member]
Statements of operations data:
Gain (loss) on change in fair value of embedded conversion feature			3,650,000		(12,120,000)
Interest expense			46,329		452,163
Net income (loss)			$ 3,696,329		$ (11,667,837)