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Note 5 - Accounts Receivable, Net and Significant Customers (Tables)
 12 Months Ended
Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]  
Accounts Receivable, Net
Account receivable, net as of December 31, 2011 and 2010 was comprised of the following:
(In thousands)
 
December 31,
2011
 
December 31,
2010
 
 
 
 
 
Gross accounts receivable
 
$
232,838

 
$
364,114

Allowance for doubtful accounts
 
(500
)
 
(500
)
Allowance for sales returns
 
(65
)
 
—

Accounts receivable, net
 
$
232,273

 
$
363,614
Net Sales by Customer Type and Net Sales to Significant Customers
Net sales by customer type and net sales to significant customers were as follows:
(Percentage of Net Sales)
 
2011
 
2010
 
2009
 
 
 
 
 
 
 
Sales to distributors
 
73
%
 
81
%
 
82
%
Sales to OEMs
 
27
%
 
19
%
 
18
%
 
 
100
%
 
100
%
 
100
%
 
 
 
 
 
 
 
Significant Distributors(1):
 
 
 
 
 
 
Arrow Electronics, Inc. ( “Arrow”)
 
39
%
 
46
%
 
45
%
Macnica, Inc. (“Macnica”)
 
21
%
 
20
%
 
15
%
(1)
Except as presented above, no other distributor accounted for greater than 10% of our net sales for 2011, 2010 or 2009.