UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
CASH PROVIDED BY OPERATIONS:
Net earnings	$ 9,338	$ 14,345
Adjustments to reconcile net earnings to net cash from operating activities -
Depreciation, depletion and amortization	12,215	10,921
Property sale (gains)	(55)	(84)
Dry hole costs incurred	957	105
Impairment of oil and gas properties	405	242
Provision for doubtful accounts	0	36
Deferred income taxes	(2,196)	1,352
Net change in fair value contracts	331	2
Decrease (increase) in accounts receivable	(35,343)	(20,185)
Decrease (increase) in inventories	(8,596)	5,302
Decrease (increase) in income tax receivable	(837)	(891)
Decrease (increase) in prepayments	(4,535)	(739)
Increase (decrease) in accounts payable	28,180	(10,086)
Increase (decrease) in accrued liabilities	2,037	3,328
Other changes, net	(301)	339
Net cash provided by operating activities	1,600	3,987
INVESTING ACTIVITIES:
Property and equipment additions	(12,089)	(16,298)
Insurance and state collateral (deposits) refunds	(445)	(17)
Proceeds from property sales	55	231
Net cash (used in) investing activities	(12,479)	(16,084)
FINANCING ACTIVITIES:
Dividend payments	(1,856)	(928)
Net cash (used in) financing activities	(1,856)	(928)
Increase (decrease) in cash and cash equivalents	(12,735)	(13,025)
Cash and cash equivalents at beginning of period	60,733	47,239
Cash and cash equivalents at end of period	$ 47,998	$ 34,214