Revenues from Contracts with Customers and Other Revenues	6 Months Ended
	Jun. 30, 2022
Revenue from Contract with Customer [Abstract]
Revenues from Contracts with Customers and Other Revenues	Revenues from Contracts with Customers and Other RevenuesThe Company's limited revenues are derived from its development-scale plant, the Luverne Facility. These revenues are promotional in nature and from customer contracts for ethanol sales and related products and hydrocarbon revenues, which include SAF, isooctene, and isooctane. These products are sold mostly on a free-on-board, shipping point basis (recognized at a point in time), are independent transactions, do not provide post-sale support or promises to deliver future goods, and are single performance obligations.