Property and Equipment, Net (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Abstract]
Capitalized overhead	$ 790	$ 337
Depletion expense related to oil and gas properties	14,100	$ 7,300
Leasehold costs reclassified into proved property	$ 1,000