Note 2 - Basis of Presentation and Recent Accounting Pronouncements (Detail) - Adjustments by Financial Statement Line Item - Balance Sheets (USD $)	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010	Sep. 30, 2008
Balance sheet data:
Prepaid expenses and other current assets	$ 1,004,436	$ 862,761
Other assets	415,049	960,781
Total assets	12,032,499	18,195,169
Embedded conversion feature liability	14,980,000	12,470,000	38,630,000	22,860,000	21,190,000
Notes payable - Victory Park, net	40,376,818	32,683,456
Total liabilities	91,422,755	83,892,333
Additional paid-in capital	116,439,489	115,691,958
Accumulated deficit	(196,783,894)	(182,341,278)
Stockholders' deficit	(79,390,256)	(65,697,164)
Restatement Adjustment [Member]
Balance sheet data:
Prepaid expenses and other current assets	341,373
Other assets		520,474
Total assets	341,373	520,474
Embedded conversion feature liability	14,980,000	12,470,000
Notes payable - Victory Park, net	(1,126,955)	(1,390,170)
Total liabilities	13,853,045	11,079,830
Additional paid-in capital	(16,724,000)	(16,724,000)
Accumulated deficit	3,212,328	6,164,644
Stockholders' deficit	$ (13,511,672)	$ (10,559,356)