Note 19 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

Embedded conversion feature	Significant Unobservable Inputs (Level 3) Total Fair Value
June 30, 2012	$	14,980,000
December 31, 2011	$	12,470,000

Fair Value Inputs, Liabilities, Quantitative Information [Table Text Block]

	June 30, 2012			December 31, 2011
Expected volatility		104	%		83.5	%
Probability of trigger of reset provision		100	%		20	%
Remaining term (in years)		0.7			1.2
Risk-free rate		0.2	%		0.2	%
Credit spread		27.0	%		28.3	%
Stock price	$	0.29		$	0.53

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

	Balance Beginning of Period		Issuance		(Gain) or Loss Recognized in Earning from Change in Fair Value		Balance End of Period
For the period ended June 30, 2012
Embedded conversion feature	$	12,470,000	$	--	$	2,510,000	$	14,980,000
For the period ended June 30, 2011
Embedded conversion feature	$	22,860,000	$	--	$	15,770,000	$	38,630,000