Accrued Liabilities

3 Months Ended

Mar. 31, 2018

Payables and Accruals [Abstract]

Accrued Liabilities

NOTE 7 — ACCRUED LIABILITIES

The components of accrued liabilities consist of the following (in thousands):

	March 31, 2018		December 31, 2017
Project development activities	$	4,385	$	5,142
Payroll and compensation	10,768		25,833
Accrued taxes	2,969		2,764
Professional services (e.g., legal, audit)	2,671		2,806
Other	3,095		2,556
Total accrued liabilities	$	23,888	$	39,101