Revenue	12 Months Ended
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]
Revenue	Revenue Most of the Company's revenue is generated from oil sales at prices which reflect the blended prices received upon shipment by the purchaser at defined sales points or are defined by contract relative to ICE Brent and adjusted for Vasconia or Castilla crude differentials, and quality and transportation discounts each month. For the year ended December 31, 2019, 100% (year ended December 31, 2018 - 100%, year-end December 31, 2017 - 99%) of the Company's revenue resulted from oil sales and quality and transportation discounts were 16% (year ended December 31, 2018 - 18%, year ended December 31, 2017 - 21%) of the ICE Brent price. During the year ended December 31, 2019, the Company's production was sold primarily to three major customers in Colombia (year ended December 31, 2018 - two, year-end December 31, 2017 - three). As at December 31, 2019, accounts receivable included $0.1 million of accrued sales revenue related to December 2019 production (As at December 31, 2018, $4.2 million related to December 2018 production).

Revenue

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Most of the Company's revenue is generated from oil sales at prices which reflect the blended prices received upon shipment by the purchaser at defined sales points or are defined by contract relative to ICE Brent and adjusted for Vasconia or Castilla crude differentials, and quality and transportation discounts each month. For the year ended December 31, 2019, 100% (year ended December 31, 2018 - 100%, year-end December 31, 2017 - 99%) of the Company's revenue resulted from oil sales and quality and transportation discounts were 16% (year ended December 31, 2018 - 18%, year ended December 31, 2017 - 21%) of the ICE Brent price. During the year ended December 31, 2019, the Company's production was sold primarily to three major customers in Colombia (year ended December 31, 2018 - two, year-end December 31, 2017 - three).

As at December 31, 2019, accounts receivable included $0.1 million of accrued sales revenue related to December 2019 production (As at December 31, 2018, $4.2 million related to December 2018 production).