Supplemental Cash Flow Information

3 Months Ended

Mar. 31, 2018

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

Supplemental cash flows and non-cash transactions were as follows for the periods indicated (in thousands):

	Three Months Ended
	March 31,
	2018			2017
Cash paid for interest	$	19		$	—
Cash paid for federal and state taxes	52			14
Non-cash transactions:
Change in accounts payable related to property and equipment additions	(39		)	836