Accounts Receivable

6 Months Ended

Jun. 30, 2011

Accounts Receivable

Accounts Receivable

Note 5—Accounts Receivable

The following is a summary of the Company’s accounts receivable at the dates shown:

	June 30, 2011		December 31, 2010
Contracts receivable, net of allowance for doubtful accounts of $296 for June 30, 2011 and $200 for December 31, 2010	$	135,566	$	185,299
Retention	19,146		20,057
	154,712		205,356
Due from affiliates	—		200
Other accounts receivable	410		2,589
	$	155,122	$	208,145

Amounts “due from affiliates” primarily relate to amounts due from related parties (See Note 7 “Equity Method Investments” and Note 13 “Related Party Transactions”) for the performance of construction contracts. Contract revenues earned from related parties were approximately $2,465 and $362 for the three months, and $4,440 and $1,288 for the six months ended June 30, 2011 and 2010, respectively.