Transactions with Related Parties (Tables)

3 Months Ended

Mar. 31, 2019

The transactions with related parties were as follows:



	Three Months Ended March 31,
	2019		2018
Revenues:
Sales of CO₂ to Sandhill Group, LLC ⁽¹⁾	$	—	$	543
Revenues from services and fees to Poseidon⁽²⁾	3,165		3,200
Revenues from product sales to ANSAC	90,679		90,796
Costs and expenses:
Amounts paid to our CEO in connection with the use of his aircraft	$	165	$	165
Charges for services from Poseidon⁽²⁾	247		249
Charges for services from ANSAC	1,057		1,778


(1)	We owned a 50% interest in Sandhill Group, LLC which was sold during the third quarter of 2018.


(2)	We own 64% interest in Poseidon

Receivables from and payables to ANSAC as of March 31, 2019 and December 31, 2018 are as follows: