Accounts Receivable and Major Customers

9 Months Ended

Sep. 30, 2013

Receivables [Abstract]

Accounts Receivable and Major Customers

Accounts Receivable and Major Customers

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

	As of
	September 30,			December 31,
	2013			2012
Customers	$	84,412		$	43,967
Joint interest partners	62,588			16,154
Other	1,542			4,523
	148,542			64,644
Less: Allowance for doubtful accounts	(622		)	(1,666		)
	$	147,920		$	62,978

For the nine months ended September 30, 2013, three customers accounted for $124.1 million, or approximately 40%, of our consolidated product revenues. The revenues generated from these customers during the nine months ended September 30, 2013 were $51.9 million, $37.7 million and $34.5 million or 17%, 12% and 11% of the consolidated total, respectively. As of September 30, 2013, $46.1 million, or approximately 55% of our consolidated accounts receivable from customers was related to these customers. For the nine months ended September 30, 2012, three customers accounted for $115.6 million, or approximately 49% of our consolidated product revenues. The revenues generated from these customers during the nine months ended September 30, 2012 were $45.9 million, $39.5 million and $30.3 million or approximately 19%, 17% and 13% of the consolidated total, respectively. As of December 31, 2012, $16.3 million, or approximately 37% of our consolidated accounts receivable from customers was related to these customers. No significant uncertainties exist related to the collectability of amounts owed to us by any of these customers.