Segment Reporting and Concentrations

12 Months Ended

Dec. 31, 2011

Notes to Financial Statements

Segment Reporting and Concentrations

(15) Segment Reporting and Concentrations

The Company is organized in a single operating segment for purposes of making operating decisions and assessing performance. Revenues from the United States to customers in the following geographical areas for the years ended December 31, 2011, 2010 and 2009, and the location of long-lived assets as of December 31, 2011, 2010, and 2009, are summarized as follows:

	2011		2010		2009
Revenues:
North America	$	36,227,426	$	45,796,271	$	53,306,365
Asia		24,197,054		16,151,399		15,140,444
Europe, Middle East, Africa and other		22,446,122		20,896,076		21,012,372
Total revenues	$	82,870,602	$	82,843,746	$	89,459,181
Long-lived assets (includes all non-current assets):
North America	$	11,271,525	$	11,798,121	$	24,295,603
Asia		1,122,487		1,340,527		1,505,856
Europe, Middle East, Africa and other		326,435		387,991		508,577
Total long-lived assets	$	12,720,447	$	13,526,639	$	26,310,036

For the year ended December 31, 2011, the Company had no customer that accounted for 10% or more of total revenues. For the year ended December 31, 2010, the Company had one customer that accounted for 10% of total revenues. For the year ended December 31, 2009, the Company had two customers that together accounted for a total of 26% of total revenues. As of December 31, 2011, the Company had one customer with accounts receivable balance greater than 10%, which totaled 11% of gross accounts receivable balances. As of December 31, 2010, the Company had one customer with accounts receivable balance greater than 10%, which totaled 13% of the gross accounts receivable balance.