CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows From Operating Activities:
Net income	$ 2,721	$ 69
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion, amortization and impairment	1,504	2,062
Bad debt expense	0	82
Accretion expense	222	220
Changes in deferred taxes	4	(1,336)
Net unrealized (gain) loss on derivative contracts	(133)	1,316
Loss on sale of equipment and other	0	17
Amortization of debt cost	201	233
Changes in components of working capital and other assets and liabilities
Accounts receivable	(1,530)	2,363
Prepaid expenses, and other	361	411
Due to related party	(18)	0
Inventories	123	101
Accounts payable and accrued expenses	(165)	(1,265)
Net cash provided by operating activities	3,290	4,273
Cash flows from investing activities:
Addition to property and equipment, net	(230)	(240)
Restricted cash and deposit, net	52	(548)
Net cash used in investing activities	(178)	(788)
Cash flows from financing activities:
Repayment of long term debt	(2,400)	(1,800)
Borrowings (repayments) of bank overdraft, net	17	(282)
Repayments of short - term debt, net	(223)	(529)
Net cash used in financing activities	(2,606)	(2,611)
Net increase in cash and cash equivalents	506	874
Cash and cash equivalents at beginning of period	26,090	22,078
Cash and cash equivalents at end of period	$ 26,596	$ 22,952