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Note 13 - Income Tax (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | 2022 |  |  | 2021 |
Current: |  |  |  |  |  |  |  |
Federal |  | $ | - |  |  | $ | - |
State and Local |  |  | 13 |  |  |  | 11 |
Foreign |  |  | 230 |  |  |  | - |
|  |  | 243 |  |  |  | 11 |
Deferred: |  |  |  |  |  |  |  |
Federal |  |  | - |  |  |  | - |
State and Local |  |  | - |  |  |  | - |
Foreign |  |  | 810 |  |  |  | (139 | )
Income tax expense/(benefit) |  | $ | 1,053 |  |  | $ | (128 | )
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |
United States |  | $ | (112,959 | ) |  | $ | (45,723 | )
Foreign |  |  | 6,254 |  |  |  | (1,552 | )
Pretax loss |  | $ | (106,705 | ) |  | $ | (47,275 | )
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |
Income tax benefit at the federal statutory rate |  | $ | (22,408 | ) |  | $ | (9,928 | )
State tax benefit |  |  | (496 | ) |  |  | (2,875 | )
Foreign tax differential |  |  | 168 |  |  |  | (96 | )
Stock-based compensation |  |  | 295 |  |  |  | 252 |
Interest Expense |  |  | 58 |  |  |  | 1,842 |
GILTI Inclusion |  |  | 1,126 |  |  |  | - |
Prior year true-ups |  |  | 55 |  |  |  | 140 |
Non-includible US Entities |  |  | 13,499 |  |  |  | - |
Other |  |  | 46 |  |  |  | 497 |
Credits |  |  | (2,373 | ) |  |  | (2,074 | )
Valuation Allowance |  |  | 11,083 |  |  |  | 12,114 |
Income Tax Expense (Benefit) |  |  | 1,053 |  |  |  | (128 | )
Effective Tax Rate |  |  | -0.99 | % |  |  | 0.27 | %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |
Deferred Tax Assets |  |  |  |  |  |  |  |
Organizational Costs, Start-up and Intangible Assets |  | $ | 2,309 |  |  | $ | 5,068 |
Stock Based Compensation |  |  | 1,842 |  |  |  | 1,174 |
NOLs, Unabsorbed Depreciation and R&D Credits C/F's |  |  | 68,201 |  |  |  | 61,624 |
Interest expense carryover |  |  | 22,374 |  |  |  | 17,436 |
Ethanol Credits |  |  | 1,500 |  |  |  | 1,500 |
Carbon Oxide Sequestration Credit |  |  | 5,827 |  |  |  | 3,460 |
Accrued Expenses |  |  | 2,001 |  |  |  | 3,312 |
Operating Lease Liability |  |  | 1,512 |  |  |  | 1,082 |
Other, net |  |  | 113 |  |  |  | 737 |
Total Deferred Tax Assets |  |  | 105,679 |  |  |  | 95,392 |
Valuation Allowance |  |  | (95,214 | ) |  |  | (83,260 | )
Net Deferred Tax Assets |  |  | 10,465 |  |  |  | 12,133 |
Deferred Tax Liabilities |  |  |  |  |  |  |  |
Right of Use Asset |  |  | (1,477 | ) |  |  | (1,238 | )
Property, Plant & Equipment |  |  | (9,788 | ) |  |  | (10,882 | )
Other, net |  |  | (10 | ) |  |  | (13 | )
Total Deferred Tax Liabilities |  |  | (11,275 | ) |  |  | (12,133 | )
Net Deferred Tax Liabilities |  | $ | (810 | ) |  | $ | - |
Summary of Income Tax Examinations [Table Text Block] |
United States — Federal | 2007 – present
United States — State | 2008 – present
India | 2013 – present
Mauritius | 2006 – present

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of income tax examinations that an enterprise is currently subject to or that have been completed in the current period typically including a description of the examination, the jurisdiction conducting the examination, the tax year(s) under examination, the likelihood of an unfavorable settlement, the range of possible losses, the liability recorded, the increase or decrease in the liability from the prior period, and any penalties and interest that have been recorded. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 217 -URI https://asc.fasb.org/extlink&oid=126976462&loc=d3e36027-109320 + Details
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