As of June 30, 2021

As of December 31, 2020

(in thousands)

Accrued accounts payable invoices

$

8,814

$

4,070

Gabon DMO, PID and PIH obligations

9,535

3,960

Derivative liability - crude oil swaps

9,920

—

Capital expenditures

1,108

435

Stock appreciation rights – current portion

1,181

2,289

Accrued wages and other compensation

2,450

2,108

Other

1,972

4,322

Total accrued liabilities and other

$

34,980

$

17,184