Accounts Receivable and Major Customers

12 Months Ended

Dec. 31, 2017

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:

	December 31,
	2017			2016
Customers	$	39,106		$	20,489
Joint interest partners	32,493			7,238
Other	584			3,789
	72,183			31,516
Less: Allowance for doubtful accounts	(2,362		)	(2,421		)
	$	69,821		$	29,095

For the year ended December 31, 2017, three customers accounted for $137.5 million, or approximately 86% of our consolidated product revenues. The revenues generated from these customers during 2017 were $94.1 million, $22.1 million and $21.3 million or 59%, 14%, and 13% of the consolidated total, respectively. As of December 31, 2017, $32.1 million, or approximately 82% of our consolidated accounts receivable from customers was related to these customers. For the year ended December 31, 2016, three customers accounted for $122.7 million, or approximately 93% of our consolidated product revenues. The revenues generated from these customers during 2016 were $93.5 million, $15.7 million and $13.5 million, or approximately 71%, 12% and 10% of the consolidated total, respectively. As of December 31, 2016, $16.7 million, or approximately 81% 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.