Year Ended December 31,

2020

2019

2018

Revenue from customer contracts:

(in thousands)

Sales under the COSPA

$

67,041

$

86,554

$

104,891

Gabonese government share of Profit Oil

—

—

2,193

U.S. crude oil and natural gas revenue

—

—

5

Other items reported in revenue not associated with customer contracts:

Gabonese government share of Profit Oil taken in-kind

8,738

7,268

9,385

Carried interest recoupment

1,631

2,950

3,545

Royalties

(10,234)

(12,251)

(15,076)

Total revenue, net

$

67,176

$

84,521

$

104,943