Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenue:
Natural gas sales	$ 16,018	$ 15,298
Natural gas liquids	1,143
Oil sales	30,891	4,213
Commodity derivative gain	4,894	2,928
Other income	105	34
Total revenue	53,051	22,473
Expenses:
Lease operating expenses	15,960	6,141
Transportation and gathering costs	4,453	2,172
Production and property taxes	1,813	1,276
General and administrative	13,779	9,528
General and administrative - deferred fees writedown	1,999
General and administrative - related party reimbursement	(4,547)	(2,703)
Depreciation, depletion, and amortization	8,108	2,544
Accretion of asset retirement obligation	868	307
Total expenses	42,433	19,265
Operating income	10,618	3,208
Other income and (expense):
Interest expense	(5,920)	(1,202)
Warrant derivative gain	225	3,133
Investment in affiliates	7,859	1,158
Other	(3)	28
Total other income	2,161	3,117
Income before income taxes	12,779	6,325
Provision for income taxes		(74)
Net income before non-controlling interest and preferred shares	12,779	6,399
Net income attributable to non-controlling interests	4,375	81
Net income attributable to preferred shares - beneficial conversion feature	1,125
Net income attributable to preferred shares - preferred return	224
Net income attributable to common shares	$ 7,055	$ 6,318
Net income per common share:
Basic	$ 0.94	$ 1.12
Diluted	$ 0.87	$ 0.49
Weighted average common shares outstanding (in thousands):
Basic	7,525	5,662
Diluted	7,839	6,452