Note 13 - Commitments and Contingencies	6 Months Ended
Jun. 30, 2022
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	Note 13 — Commitments and Contingencies Obligation under LNG Sale and Purchase Agreement In March 2019, we entered into a 20-year sale and purchase agreement (the “SPA”) with Shell NA LNG LLC (“Shell”) for the supply of approximately two million tonnes per annum of liquefied natural gas from the Terminal. Pursuant to the SPA, Shell will purchase LNG on a free-on-board (“FOB”) basis starting from the date the first liquefaction train of the Terminal that is commercially operable, with approximately three-quarters of the purchased LNG volume indexed to Brent and the remaining volume indexed to domestic United States gas indices, including Henry Hub. In the first quarter of 2020, pursuant to the terms of the SPA, the SPA became effective upon the conditions precedent in the SPA being satisfied or waived. The SPA obligates Rio Grande to deliver the contracted volumes of LNG to Shell at the FOB delivery point, subject to the first liquefaction train at the Terminal being commercially operable. Other Commitments On March 6, 2019, Rio Grande entered into a lease agreement (the “Rio Grande Site Lease”) with the Brownsville Navigation District of Cameron County, Texas (“BND”) for the lease by Rio Grande of approximately 984 acres of land situated in Brownsville, Cameron County, Texas for the purposes of constructing, operating, and maintaining (i) a liquefied natural gas facility and export terminal and (ii) gas treatment and gas pipeline facilities. On April 20, 2022, Rio Grande and the BND amended the Rio Grande Site Lease (the “Rio Grande Site Lease Amendment”) to extend the effective date for commencing the Rio Grande Site Lease to May 6, 2023 (the “Effective Date”). In connection with the Rio Grande Site Lease Amendment, Rio Grande is committed to pay approximately $1.5 million per quarter to the BND through the earlier of the Effective Date and lease commencement. In the fourth quarter of 2021, Rio Grande entered into an amended agreement for wetland mitigation measures. In connection with the amended agreement, Rio Grande is committed to spend approximately $0.5 million during 2022. Legal Proceedings From time to time the Company may be subject to various claims and legal actions that arise in the ordinary course of business. As of June 30, 2022, management is not aware of any claims or legal actions that, separately or in the aggregate, are likely to have a material adverse effect on the Company’s financial position, results of operations or cash flows, although the Company cannot guarantee that a material adverse effect will not occur.

Note 13 - Commitments and Contingencies

6 Months Ended

Jun. 30, 2022

Commitments and Contingencies Disclosure [Text Block]

Note 13 — Commitments and Contingencies

Obligation under LNG Sale and Purchase Agreement

In March 2019, we entered into a 20-year sale and purchase agreement (the “SPA”) with Shell NA LNG LLC (“Shell”) for the supply of approximately two million tonnes per annum of liquefied natural gas from the Terminal. Pursuant to the SPA, Shell will purchase LNG on a free-on-board (“FOB”) basis starting from the date the first liquefaction train of the Terminal that is commercially operable, with approximately three-quarters of the purchased LNG volume indexed to Brent and the remaining volume indexed to domestic United States gas indices, including Henry Hub.

In the first quarter of 2020, pursuant to the terms of the SPA, the SPA became effective upon the conditions precedent in the SPA being satisfied or waived. The SPA obligates Rio Grande to deliver the contracted volumes of LNG to Shell at the FOB delivery point, subject to the first liquefaction train at the Terminal being commercially operable.

Other Commitments

On March 6, 2019, Rio Grande entered into a lease agreement (the “Rio Grande Site Lease”) with the Brownsville Navigation District of Cameron County, Texas (“BND”) for the lease by Rio Grande of approximately 984 acres of land situated in Brownsville, Cameron County, Texas for the purposes of constructing, operating, and maintaining (i) a liquefied natural gas facility and export terminal and (ii) gas treatment and gas pipeline facilities. On April 20, 2022, Rio Grande and the BND amended the Rio Grande Site Lease (the “Rio Grande Site Lease Amendment”) to extend the effective date for commencing the Rio Grande Site Lease to May 6, 2023 (the “Effective Date”).

In connection with the Rio Grande Site Lease Amendment, Rio Grande is committed to pay approximately $1.5 million per quarter to the BND through the earlier of the Effective Date and lease commencement.

In the fourth quarter of 2021, Rio Grande entered into an amended agreement for wetland mitigation measures. In connection with the amended agreement, Rio Grande is committed to spend approximately $0.5 million during 2022.

Legal Proceedings

From time to time the Company may be subject to various claims and legal actions that arise in the ordinary course of business. As of June 30, 2022, management is not aware of any claims or legal actions that, separately or in the aggregate, are likely to have a material adverse effect on the Company’s financial position, results of operations or cash flows, although the Company cannot guarantee that a material adverse effect will not occur.