Note 2 - Basis of Presentation and Recent Accounting Pronouncements (Detail) - Effects of Adjustments to Condensed Financial Statements - Balance Sheets (USD $)	Sep. 30, 2012	Sep. 21, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010	Mar. 31, 2010
Balance sheet data:
Prepaid expenses and other current assets			$ 862,761
Other assets			960,781
Total assets	13,208,424		18,195,169
Embedded conversion feature liability	19,460,000	5,120,000	12,470,000	34,980,000	22,860,000	21,190,000
Notes payable - Victory Park, net	40,192,231		32,683,456
Total liabilities	96,783,223		83,892,333
Additional paid-in capital	116,755,672		115,691,958
Accumulated deficit	(201,286,337)		(182,341,278)
Stockholders' deficit	(83,574,799)		(65,697,164)
Scenario, Previously Reported [Member]
Balance sheet data:
Prepaid expenses and other current assets			862,761
Other assets			440,307
Total assets			17,674,695
Notes payable - Victory Park, net			34,073,626
Total liabilities			72,812,503
Additional paid-in capital			132,415,958
Accumulated deficit			(188,505,922)
Stockholders' deficit			$ (55,137,808)