Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2018

Property and Equipment [Abstract]

Schedule of net property and equipment

(in thousands)	September 30,  2018			December 31,  2017
Oil and gas properties:
Proved oil and gas properties	$	215,620		$	114,893
Unproved properties not subject to depletion		3,616			1,947
Accumulated depreciation, depletion, amortization and impairment		(87,527	)		(80,715	)
Net oil and gas properties		131,709			36,125
Furniture and fixtures, computer hardware and software, and other equipment		3,783			1,758
Accumulated depreciation and amortization		(1,794	)		(1,021	)
Net other property and equipment		1,989			737
Total net property and equipment	$	133,698		$	36,862

Schedule of unproved oil and gas properties

(in thousands)	September 30,  2018		December 31,  2017
Ventura Basin	$	1,595	$	-
Illinois Basin:
Indiana		432		432
Illinois		142		136
Appalachian Basin:
Kentucky		952		915
Ohio		66		66
West Virginia		429		398
Total unproved properties not subject to depletion	$	3,616	$	1,947