Note 12 - Concentration of Risks (Tables)

6 Months Ended

Jun. 30, 2012

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Customer A		26	%		13	%		21	%		21	%
Customer B		33	%		29	%		43	%		32	%
Customer C		—			27	%		—			18	%
Customer D		26	%		27	%		20	%		23	%