Accounts Receivable and Major Customers (Tables)

12 Months Ended

Dec. 31, 2011

Summary of Accounts Receivable

The following table summarizes our accounts receivable by type as of the dates presented:

	As of December 31,
	2011			2010
Customers	$	49,763		$	44,783
Joint interest partners		22,755			23,526
Other		1,695			4,442
		74,213			72,751
Less: Allowance for doubtful accounts		(1,781	)		(373	)
	$	72,432		$	72,378