Note 12 - Major Customers

12 Months Ended

Dec. 31, 2011

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

12.  Major Customers

The following table summarizes the percentages of accounts receivable, net and corresponding revenue for those customers, with accounts receivable balances at year end that accounted for 10% or more of total accounts receivable, net at the end of 2011 and 2010 or with sales that accounted for 10% or more of the Company’s revenue for each respective year:

	Revenue									Accounts Receivable, Net
	Year ended December 31,									as of December 31,
Customers	2011			2010			2009			2011			2010			2009
A		17	%		14	%		13	%		12	%		12	%		*
B		10	%		*			10	%		*			*			*
C		*			*			10	%		*			*			*
D		*			*			*			*			20	%		15	%

* Represents less than 10% of accounts receivable, net or revenue