Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Tables)

v3.8.0.1
Accrued Liabilities (Tables)
3 Months Ended
Mar. 31, 2018
Payables and Accruals [Abstract]  
Schedule of Components of 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