Note 12 - Major Customers (Tables)

12 Months Ended

Dec. 31, 2013

Risks and Uncertainties [Abstract]

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

	Revenue			Accounts Receivable, Net
	Year Ended December 31,			As of December 31,
Customers	2013	2012	2011	2013	2012
A	32%	32%	27%	32%	34%
B	*	*	*	*	11%
C	10%	*	*	17%	*