Additional Balance Sheet Detail (Tables)

6 Months Ended

Jun. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Components of Selected Balance Sheet Accounts

The following table summarizes components of selected balance sheet accounts as of the dates presented:

	June 30,		December 31,
	2018		2017
Other current assets:
Tubular inventory and well materials	$	3,817	$	5,146
Prepaid expenses	1,377		1,104
	$	5,194	$	6,250
Other assets:
Deferred issuance costs of the Credit Facility	$	2,923	$	2,857
Deposit in escrow 1	—		3,210
Other	33		2,440
	$	2,956	$	8,507
Accounts payable and accrued liabilities:
Trade accounts payable	$	34,582	$	22,579
Drilling costs	34,620		22,389
Royalties and revenue – related	43,862		39,287
Production, ad valorem and other taxes 2	3,827		1,275
Compensation – related	2,802		2,975
Interest	377		223
Reserve for bankruptcy claims	3,940		3,933
Deposit received for divestiture of Mid-Continent properties 3	700		—
Other 2	3,272		3,520
	$	127,982	$	96,181
Other liabilities:
Asset retirement obligations	$	3,987	$	3,286
Defined benefit pension obligations	897		971
Postretirement health care benefit obligations	509		476
Other	100		100
	$	5,493	$	4,833

_______________________

¹ Represents the amount remaining in the Escrow Account for the Devon Acquisition, which was utilized to fund the remaining liabilities due to Devon for the final settlement in March 2018 (see Note 3).

²  The amount for December 31, 2017 was reclassified from Accounts payable and accrued expenses - Other.

³  Represents the deposit paid to us related to the Mid-Continent divestiture (see Note 3).