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Nature of Activities and Summary of Significant Accounting Policies (Details Narrative) - USD ($) | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Oct. 31, 2020 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Awarded Grants |  | $ 8,000,000.0 |  |
Contributions |  | 1,550,000 |  |
Allowance For Doubtful Accounts Receivable |  | 1,400,000 |  | $ 1,400,000.0
Reimbursement For Actual Costs Incurred |  | 1,467,000 | $ 1,191,000 |
Other Long-term Liabilities |  | 2,331,000 |  | 2,454,000
Accounts Receivable [Member] |  |  |  |
Reimbursement For Actual Costs Incurred |  | 73,000 |  |
India |  |  |  |
Gallon Per Year |  | 50,000,000 |  |
Keyes Plant [Member] |  |  |  |
Gallon Per Year |  | 65,000,000 |  |
Kakinada Plant One [Member] |  |  |  |
Gallon Per Year |  | 50,000,000 |  |
Nameplate Capacity |  | 150,000 |  |
US DFAFSG [Member] |  |  |  |
Awarded Grants |  | 245,000 |  |
CEC-LCFPP [Member] |  |  |  |
Awarded Grants |  | 4,200,000 |  |
Reimbursement For Actual Costs Incurred |  | 2,900,000 |  |
CDFA [Member] |  |  |  |
Awarded Grants | $ 7,800,000 | 3,200,000 |  |
Reimbursement For Actual Costs Incurred | $ 800,000 |  |  |
CEC-LCAEGP [Member] |  |  |  |
Awarded Grants |  | 5,000,000.0 |  |
Contributions |  | 7,900,000 |  |
Actual Expenses |  | 5,000,000.0 |  |
Capital Expenditures |  | 1,700,000 |  |
Other Long-term Liabilities |  | $ 170,000.0 |  | $ 1,700,000.0

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