Concentration of Credit Risk

6 Months Ended

Jun. 30, 2011

Concentration of Credit Risk

Concentration of Credit Risk

7. Concentration of Credit Risk— Financial instruments that potentially subject us to concentrations of credit risk consist primarily of trade receivables. We encounter a certain amount of credit risk as a result of a concentration of receivables among a few significant customers. The trade receivables (in dollars and as a percentage of accounts receivable) from such significant customers are set forth below:

	June 30, 2011				December 31, 2010
	$ thousands		% of AR		$ thousands		% of AR
Client A	$	179	40	%	$	—	0	%
Client B	$	111	25	%	$	—	0	%
Client C	$	42	9	%	$	130	47	%
Client D	$	—	0	%	$	141	51	%