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15. Parent Company Financial Statements (Unaudited) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Current assets |  |
Prepaid expenses | $ 750 | $ 794
Total current assets | 8,683 | 12,576
Property, plant and equipment, net | 109,880 | 84,226
Other assets | 3,687 | 2,537
Total Assets | 125,139 | 99,896
Liabilities & stockholders' deficit |  |
Accounts payable | 20,739 | 15,968
Other current liabilities | 6,539 | 5,290
Total current liabilities | 102,235 | 57,819
Long term liabilities: |  |
Other long term debt | 11,980 | 6,124
Subsidiary obligation in excess of investment |  |
Total long term liabilities | 230,073 |
Stockholders' deficit |  |
Series B Preferred convertible stock | 1 | 1
Common stock | 23 | 21
Additional paid-in capital | 93,426 | 86,852
Accumulated deficit | (274,080) | (237,421)
Accumulated other comprehensive loss | (4,114) | (3,825)
Total stockholders' deficit | (184,744) | (154,372)
Total liabilities & stockholders' deficit | 125,139 | 99,896
Parent Company Financial Statements |  |
Current assets |  |
Cash and cash equivalents | 0 | 0
Prepaid expenses | 252 | 290
Other current assets | 0 | 29
Total current assets | 570 | 319
Investment in AE Advanced Products Keyes, Inc. | 12 | 293
Investment in Aemetis International, Inc. | 4,196 | 3,638
Total investments in Subsidiaries, net of advances | 4,208 | 3,931
Property, plant and equipment, net | 9 | 4
Other assets | 2,700 | 257
Total Assets | 7,487 | 4,511
Liabilities & stockholders' deficit |  |
Accounts payable | 4,881 | 5,097
Payables due to subsidiaries | 4,390 | 3,176
Mandatorily redeemable Series B convertibe preferred | 3,252 | 3,149
Other current liabilities | 11,930 | 9,217
Total current liabilities | 24,453 | 20,639
Long term liabilities: |  |
Other long term debt | 150 | 0
Subsidiary obligation in excess of investment |  |
Investment in AE Advanced Fuels, Inc. | 131,432 | 112,041
Investment in Aemetis Americas, Inc | 205 | 205
Investment in Aemetis Biofuels, Inc. | 2,738 | 2,738
Investment in Aemetis Technologies, Inc. | 4,446 | 4,234
Investment in Aemetis Property Keyes, Inc. | 247 | 564
Investment in Biofuels Marketing, Inc. | 441 | 349
Investment in Goodland Advanced Fuels, Inc. | 12,201 | 8,501
Investment in Aemetis Biogas LLC | 15,918 | 9,612
Total subsidiary obligation in excess of investment | 167,628 | 138,244
Total long term liabilities | 167,778 | 138,244
Stockholders' deficit |  |
Series B Preferred convertible stock | 1 | 1
Common stock | 23 | 21
Additional paid-in capital | 93,426 | 86,852
Accumulated deficit | (274,080) | (237,421)
Accumulated other comprehensive loss | (4,114) | (3,825)
Total stockholders' deficit | (184,744) | (154,372)
Total liabilities & stockholders' deficit | $ 7,487 | $ 4,511

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