Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2017

Supplemental Cash Flow Elements [Abstract]

Schedule of Supplemental Cash Flow Information

The following is supplemental cash flow information for the years ended December 31, 2017, 2016, and 2015 (in thousands):

	For the Year Ended December 31,
	2017		2016		2015
Supplemental cash flow information:
Cash paid for interest	$	5,224	$	5,969	$	7,475
Cash paid for GWRC tax liability	$	125	$	—	$	—
Cash paid for bond prepayment fee	$	—	$	3,201	$	—
Cash paid for taxes	$	120	$	184	$	—
Non-cash financing and investing activities:
Capital expenditures included in accounts payable and accrued liabilities	$	1,090	$	2,909	$	184
Equity method investment gain on recapitalization of FATHOM™	$	243	$	—	$	—
Deferred compensation change in accounting principle	$	—	$	103	$	—
Reclassification of deferred IPO costs to equity	$	—	$	97	$	—