Segment Reporting

6 Months Ended

Jun. 30, 2011

Segment Reporting [Abstract]

Segment Reporting

 (11) Segment Reporting

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 three and six months ended June 30, 2011 and 2010, and the location of long-lived assets as of June 30, 2011 and December 31, 2010, are summarized as follows:

	Three Months Ended June 30,		Six Months Ended June 30,
Revenues:	2011	2010	2011	2010
North America	$  8,468,250	$  11,493,524	$  16,810,779	$  22,495,494
Asia Pacific	5,662,096	3,529,398	10,987,277	6,192,351
Europe, Middle East, Africa and Other	5,497,662	5,247,787	10,789,214	8,702,519
Total Revenues	$  19,628,008	$  20,270,709	$  38,587,270	$  37,390,364

	June 30,	December 31,
Long-lived assets:	2011	2010
North America	$    11,718,783	$    11,798,121
Asia Pacific	1,316,736	1,340,527
Europe, Middle East, Africa and Other	383,714	387,991
Total long-lived assets	$    13,419,233	$    13,526,639

For the three months ended June 30, 2011, the Company did not have any customers that accounted for 10% or more of total revenues. For the three months ended June 30, 2010, the Company had one customer that accounted for 10% of revenues. As of June 30, 2011, the Company did not have any customers that accounted for 10% or more of the accounts receivable balance. As of December 31, 2010, the Company had one customer that accounted for 13% of the accounts receivable balance.

The Company recorded an expense of approximately $0.2 million during the three months ended June 30, 2011, and, due to cash collections of previously reserved accounts receivable balances, a benefit of approximately $0.7 million during the six months ended June 30, 2011. During the three and six months ended June 30, 2010, the Company recorded an expense of approximately $0.3 million and an expense of approximately $1.2 million, respectively. These amounts are included within revenues in each respective period in the accompanying condensed consolidated statements of operations.