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15. Parent Company Financial Statements (Unaudited) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Current assets |  |
Prepaid expenses | $ 794 | $ 942
Total current assets | 12,576 | 10,311
Property, plant and equipment, net | 84,226 | 78,492
Other assets | 2,537 | 3,018
Total Assets | 99,896 | 91,821
Liabilities & stockholders' deficit |  |
Accounts payable | 15,968 | 13,500
Other current liabilities | 5,667 | 5,396
Total current liabilities | 57,819 | 42,579
Subsidiary obligation in excess of investment |  |
Total long term liabilities | 179,685 | 157,819
Stockholders' deficit |  |
Series B Preferred convertible stock | 1 | 1
Common stock | 21 | 20
Additional paid-in capital | 86,852 | 85,917
Accumulated deficit | (237,421) | (193,204)
Accumulated other comprehensive loss | (3,825) | (3,576)
Total stockholders' deficit | (154,372) | (110,842)
Total liabilities & stockholders' deficit | 99,896 | 91,821
Parent Company Financial Statements |  |
Current assets |  |
Cash and cash equivalents | 0 | 0
Receivables due from subsidiaries | 0 | 5,057
Prepaid expenses | 290 | 364
Other current assets | 29 | 0
Total current assets | 319 | 5,421
Investment in AE Advanced Products Keyes, Inc. | 293 | 1,057
Investment in Aemetis International, Inc. | 3,638 | 0
Total investments in Subsidiaries, net of advances | 3,931 | 1,057
Property, plant and equipment, net | 4 | 12
Other assets | 257 | 54
Total Assets | 4,511 | 5,454
Liabilities & stockholders' deficit |  |
Accounts payable | 5,097 | 5,026
Payables due to subsidiaries | 3,176 | 0
Mandatorily redeemable Series B convertibe preferred | 3,149 | 3,048
GAFI - payables, net of SARs discount issuance costs | 0 | 1,090
SARs liability | 0 | 1,132
Other current liabilities | 9,217 | 2,215
Total current liabilities | 20,639 | 12,511
Subsidiary obligation in excess of investment |  |
Investment in AE Advanced Fuels, Inc. | 112,041 | 89,854
Investment in Aemetis Americas, Inc | 205 | 205
Investment in Aemetis Biofuels, Inc. | 2,738 | 2,738
Investment in Aemetis Technologies, Inc. | 4,234 | 4,030
Investment in Aemetis Property Keyes, Inc. | 564 | 432
Investment in Biofuels Marketing, Inc. | 349 | 349
Investment in Aemetis International, Inc. | 0 | 963
Investment in Goodland Advanced Fuels, Inc. | 8,501 | 0
Investment in Aemetis Biogas LLC | 9,612 | 6,304
Total subsidiary obligation in excess of investment | 138,244 | 104,875
Total long term liabilities | 138,244 | 104,875
Stockholders' deficit |  |
Series B Preferred convertible stock | 1 | 1
Common stock | 21 | 20
Additional paid-in capital | 86,852 | 85,917
Accumulated deficit | (237,421) | (193,204)
Accumulated other comprehensive loss | (3,825) | (3,576)
Total stockholders' deficit | (154,372) | (110,842)
Total liabilities & stockholders' deficit | $ 4,511 | $ 6,544

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