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16. Income Tax (Tables) | 12 Months Ended
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Dec. 31, 2014
Income Tax Disclosure [Abstract] |
Components of tax expense |
|  | 2014 |  |  | 2013 |  |  | 2012 |
Current: |  |  |  |  |  |  |  |  |
Federal |  |  | - |  |  |  |  |  |  |
State and Local |  | $ | 6 |  |  | $ | 6 |  |  | $ | 4 |
Foreign |  |  | - |  |  |  | - |  |  |  | - |
|  |  | 6 |  |  |  | 6 |  |  |  | 4 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  | - |  |  |  | - |  |  |  | (934 | )
State and Local |  |  | - |  |  |  | - |  |  |  | (151 | )
Foreign |  |  | - |  |  |  | - |  |  |  | - |
Income tax expense/(benefit) |  | $ | 6 |  |  | $ | 6 |  |  | $ | (1,081 | )
U.S. loss and foreign loss before income taxes |
|  | Year Ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
United States |  | $ | 8,652 |  |  | $ | (24,712 | ) |  | $ | (2,981 | )
Foreign |  |  | (1,513 | ) |  |  | 281 |  |  |  | (2,382 | )
Pretax Income |  | $ | 7,139 |  |  | $ | (24,431 | ) |  | $ | (5,363 | )
Effective tax rate |
|  | Year Ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
Income tax expense (benefit) at the federal statutory rate |  |  | 2,427 |  |  |  | (8,307 | ) |  |  | (1,824 | )
State tax expense (benefit) |  |  | 1,089 |  |  |  | (695 | ) |  |  | (476 | )
Foreign tax rate differential |  |  | 302 |  |  |  | 220 |  |  |  | 475 |
Stock-based compensation |  |  | 204 |  |  |  | 556 |  |  |  | 382 |
Interest Expense |  |  | 53 |  |  |  | 328 |  |  |  | 430 |
Loss on Debt Extinguishment |  |  | - |  |  |  | 1,162 |  |  |  | 3,708 |
Gain on Bargain Purchase |  |  | - |  |  |  | - |  |  |  | (16,728 | )
Other |  |  | (147 | ) |  |  | 69 |  |  |  | (160 | )
Cilion Transactions |  |  | - |  |  |  | - |  |  |  | 302 |
Credits |  |  | (25 | ) |  |  | - |  |  |  | (150 | )
Valuation Allowance |  |  | (3,897 | ) |  |  | 6,673 |  |  |  | 12,960 |
Income Tax Expense |  |  | 6 |  |  |  | 6 |  |  |  | (1,081 | )
Effective Tax Rate |  |  | 0.08 | % |  |  | -0.02 | % |  |  | 20.16 | %
Components of the net deferred tax asset or (liability) |
|  | Year Ended December 31, |
|  | 2014 |  |  | 2013 |
Deferred Tax Assets & (Liabilities): |  |  |  |  |  |
Organization, start-up costs & intangible assets |  | $ | 8,750 |  |  | $ | 9,303 |
Stock-based compensation |  |  | 86 |  |  |  | 115 |
Property, plant and equipment |  |  | (22,015 | ) |  |  | (18,930 | )
Net operating loss carryforward and Credits |  |  | 49,645 |  |  |  | 49,139 |
Convertible debt |  |  | (5 | ) |  |  | (5 | )
Ethanol Credits |  |  | 1,500 |  |  |  | 1,500 |
Debt Extinguishment |  |  | 2,239 |  |  |  | 2,536 |
Other, net |  |  | 592 |  |  |  | 1,544 |
Subtotal |  | $ | 40,792 |  |  | $ | 45,202 |
Valuation Allowance |  |  | (40,792 | ) |  |  | (45,202 | )
Deferred tax assets (liabilities) |  | $ | - |  |  | $ | - |
Open tax years, by major tax jurisdiction |
United States — Federal |  | 2005 – present |
United States — State |  | 2005– present |
India |  | 2006 – present |
Mauritius |  | 2006 – present |

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