Note 14 - Warrants (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]

Risk-free interest rate:	3.24%
Expected term:	6. years
Expected dividend yield:	—
Expected volatility:	105.7%

Risk-free interest rate:	0.87%
Expected term (years):	3.0
Expected dividend yield:	—
Expected volatility:	79.02%

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

Warrants	Number of Warrants		Weighted- Average Exercise Price
Outstanding at December 31, 2011		4,200,000	$	2.98
Granted		-	$	-
Exercised		-	$	-
Forfeited or expired		-	$	-
Outstanding at December 31, 2012		4,200,000	$	2.98
Exercisable at December 31, 2012		4,200,000	$	2.98