UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
CASH PROVIDED BY OPERATIONS:
Net earnings	$ 7,437	$ 9,338
Adjustments to reconcile net earnings to net cash from operating activities -
Depreciation, depletion and amortization	12,118	12,215
Property sale (gains)	(514)	(55)
Dry hole costs incurred	33	957
Impairment of oil and gas properties	623	405
Deferred income taxes	581	(2,196)
Net change in fair value contracts	(50)	331
Decrease (increase) in accounts receivable	(1,265)	(35,343)
Decrease (increase) in inventories	(3,596)	(8,596)
Decrease (increase) in income tax receivable	970	(837)
Decrease (increase) in prepayments	(215)	(4,535)
Increase (decrease) in accounts payable	(11,008)	28,180
Increase (decrease) in accrued liabilities	5,259	2,037
Other changes, net	(347)	(301)
Net cash provided by operating activities	10,026	1,600
INVESTING ACTIVITIES:
Property and equipment additions	(4,833)	(12,089)
Insurance and state collateral (deposits) refunds	(60)	(445)
Proceeds from property sales	519	55
Net cash (used in) investing activities	(4,374)	(12,479)
FINANCING ACTIVITIES:
Dividend payments	(1,856)	(1,856)
Net cash (used in) financing activities	(1,856)	(1,856)
Increase (decrease) in cash and cash equivalents	3,796	(12,735)
Cash and cash equivalents at beginning of period	80,184	60,733
Cash and cash equivalents at end of period	$ 83,980	$ 47,998