Major Customer and Geographic Information

12 Months Ended

Dec. 31, 2011

Major Customer and Geographic Information [Abstract]

Major Customer and Geographic Information

12. Major Customer and Geographic Information

The Company’s revenues, expressed as a percentage of total revenues, from non-affiliated customers that equaled 10% or more of the Company’s total revenues were:

	Year ended December 31
	2011			2010
Customer A		23	%		30	%
Customer B		21	%		25	%
Customer C		18	%		9	%

The Company’s non-affiliate customers whose individual balances amounted to more than 10% of the Company’s net accounts receivable, expressed as a percentage of net accounts receivable, were:

	December 31
	2011			2010
Customer A		—			75	%
Customer B		82	%		16	%
Customer C		—			—

The Company performs ongoing credit evaluations of its customers and generally does not require collateral. The Company also maintains allowances for potential credit losses. The loss of a major customer could have a material adverse effect on the Company’s business operations and financial condition.

The Company’s revenues by geographic region are as follows:

	Year ended December 31
	2011		2010
North America	$	535,200	$	569,800
Asia		150,900		61,900
South America		27,400		24,300
Europe		—		2,700
	$	713,500	$	658,700