UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
CASH PROVIDED BY OPERATIONS:
Net earnings	$ 7,129	$ 13,193
Adjustments to reconcile net earnings to net cash from operating activities -
Depreciation, depletion and amortization	18,086	18,443
Property sales (gains) oil and gas	0	(2,198)
Property sales (gains) other	(522)	(297)
Dry hole costs incurred	803	1,028
Impairment of oil and gas properties	1,191	572
Provision for doubtful accounts	(25)	(123)
Deferred income taxes	(1,151)	(2,455)
Net change in fair value contracts	158	405
Decrease (increase) in accounts receivable	48,822	17,933
Decrease (increase) in inventories	(1,334)	4,292
Decrease (increase) in income tax receivable	970	1,136
Decrease (increase) in prepayments	3,790	8,346
Increase (decrease) in accounts payable	(58,594)	(6,210)
Increase (decrease) in accrued liabilities	5,122	4,393
Other changes, net	(884)	(999)
Net cash provided by operating activities	23,561	57,459
INVESTING ACTIVITIES:
Property and equipment additions	(6,347)	(22,655)
Insurance and state collateral (deposits) refunds	(39)	(467)
Proceeds from property sales	660	5,149
Net cash (used in) investing activities	(5,726)	(17,973)
FINANCING ACTIVITIES
Dividend payments	(2,784)	(2,784)
Net cash (used in) financing activities	(2,784)	(2,784)
Increase (decrease) in cash and cash equivalents	15,051	36,702
Cash and cash equivalents at beginning of period	80,184	60,733
Cash and cash equivalents at end of period	$ 95,235	$ 97,435