Acquisition	3 Months Ended
Mar. 31, 2023
Business Combination and Asset Acquisition [Abstract]
Equity Method Investments and Joint Ventures Disclosure [Text Block]	3. Equity method investment On February 9, 2023, we entered into a limited liability company agreement (the "LLC Agreement") with Taihua New Energy (Thailand) Co., LTD ("Taihua"), a leading steel fabricator and an existing vendor, and DAYV LLC, for the creation of Alpha Steel LLC ("Alpha Steel"), a Delaware limited liability company dedicated to producing steel components, including torque tubes, for utility-scale solar projects. The Alpha Steel facility, which will be located outside of Houston in Sealy, Texas, is expected to begin commercial production in mid-2023. Alpha Steel is intended to enhance our domestic supply chain, our ability to support our customers and the growth of the U.S. solar market, with domestic manufacturing utilizing U.S. steel. We have a 45% interest in Alpha Steel, which we will account for under the equity method of accounting. Taihua has a 51% interest in Alpha Steel and DAYV LLC, an entity owned by certain members of management of Alpha Steel, has a 4% interest in Alpha Steel. The Chief Executive Officer of Taihua is the General Manager of Alpha Steel. We have equal voting representation with Taihua and DAYV LLC, combined, on Alpha Steel's Board of Managers which will be responsible, through majority vote, for making certain "major decisions" involving Alpha Steel, as specified in the LLC Agreement, including, among other things, approval of an annual business plan. As of March 31, 2023, we made a required initial capital contribution to Alpha Steel of $0.9 million. Pursuant to the LLC Agreement, we could be required to make up to $2.6 million in additional capital contributions as Alpha Steel nears or begins commercial production. Alpha Steel had no operating revenues or expenses during the three months ended March 31, 2023. In connection with the creation of Alpha Steel, we also entered into a three-year equipment supply agreement (the "Supply Agreement") with Alpha Steel, the terms of which will apply to equipment purchase orders we expect to issue, including specified minimum purchase amounts for each twelve-month period during the term of the Supply Agreement, following commencement of production. The Supply Agreement may be terminated early in accordance with its provisions or may be extended beyond the initial term if mutually agreed to by the parties.

Acquisition

3 Months Ended

Mar. 31, 2023

Business Combination and Asset Acquisition [Abstract]

Equity Method Investments and Joint Ventures Disclosure [Text Block]

3. Equity method investment

On February 9, 2023, we entered into a limited liability company agreement (the "LLC Agreement") with Taihua New Energy (Thailand) Co., LTD ("Taihua"), a leading steel fabricator and an existing vendor, and DAYV LLC, for the creation of Alpha Steel LLC ("Alpha Steel"), a Delaware limited liability company dedicated to producing steel components, including torque tubes, for utility-scale solar projects. The Alpha Steel facility, which will be located outside of Houston in Sealy, Texas, is expected to begin commercial production in mid-2023.

Alpha Steel is intended to enhance our domestic supply chain, our ability to support our customers and the growth of the U.S. solar market, with domestic manufacturing utilizing U.S. steel. We have a 45% interest in Alpha Steel, which we will account for under the equity method of accounting. Taihua has a 51% interest in Alpha Steel and DAYV LLC, an entity owned by certain members of management of Alpha Steel, has a 4% interest in Alpha Steel. The Chief Executive Officer of Taihua is the General Manager of Alpha Steel. We have equal voting representation with Taihua and DAYV LLC, combined, on Alpha Steel's Board of Managers which will be responsible, through majority vote, for making certain "major decisions" involving Alpha Steel, as specified in the LLC Agreement, including, among other things, approval of an annual business plan.

As of March 31, 2023, we made a required initial capital contribution to Alpha Steel of $0.9 million. Pursuant to the LLC Agreement, we could be required to make up to $2.6 million in additional capital contributions as Alpha Steel nears or begins commercial production. Alpha Steel had no operating revenues or expenses during the three months ended March 31, 2023.

In connection with the creation of Alpha Steel, we also entered into a three-year equipment supply agreement (the "Supply Agreement") with Alpha Steel, the terms of which will apply to equipment purchase orders we expect to issue, including specified minimum purchase amounts for each twelve-month period during the term of the Supply Agreement, following commencement of production. The Supply Agreement may be terminated early in accordance with its provisions or may be extended beyond the initial term if mutually agreed to by the parties.