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15. Parent Company Financial Statements (Unaudited) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Current assets |  |
Prepaid expenses | $ 942 | $ 2,435
Total current assets | 10,311 | 11,462
Property, plant and equipment, net | 78,492 | 78,837
Other assets | 3,018 | 4,032
Total Assets | 91,821 | 94,331
Liabilities & stockholders' deficit |  |
Accounts payable | 13,500 | 10,457
GAFI- payables, net of SARs discount issuance costs | 25,461 | 24,351
Other current liabilities | 5,396 | 3,311
Total current liabilities | 42,579 | 36,016
Subsidiary obligation in excess of investment |  |
Total long term liabilities | 157,819 | 138,161
Stockholders' deficit |  |
Series B Preferred convertible stock | 1 | 1
Common stock | 20 | 20
Additional paid-in capital | 85,917 | 84,679
Accumulated deficit | (193,204) | (160,188)
Accumulated other comprehensive loss | (3,576) | (2,904)
Total stockholders' deficit | (110,842) | (78,392)
Total liabilities & stockholders' deficit | 91,821 | 94,331
Parent Company Financial Statements |  |
Current assets |  |
Cash and cash equivalents | 0 | 29
Receivables due from subsidiaries | 5,057 | 6,946
Prepaid expenses | 364 | 251
Total current assets | 5,421 | 7,226
Investment in Aemetis Property Keyes, Inc. | 1,057 | 1,617
Total investments in Subsidiaries, net of advances | 1,057 | 1,617
Property, plant and equipment, net | 12 | 15
Other assets | 54 | 54
Total Assets | 6,544 | 8,912
Liabilities & stockholders' deficit |  |
Accounts payable | 5,026 | 3,568
Mandatorily redeemable Series B convertibe preferred | 3,048 | 2,946
GAFI- payables, net of SARs discount issuance costs | 1,090 | 3,357
SARs liability | 1,132 | 0
Other current liabilities | 2,215 | 1,679
Total current liabilities | 12,511 | 11,550
Subsidiary obligation in excess of investment |  |
Investment in AE Advanced Fuels, Inc. | 89,854 | 69,273
Investment in Aemetis Americas, Inc | 205 | 205
Investment in Aemetis Biofuels, Inc. | 2,738 | 2,738
Investment in Aemetis Technologies, Inc. | 4,030 | 2,947
Investment in Aemetis Property Keyes, Inc. | 432 | 100
Investment in Biofuels Marketing, Inc. | 349 | 349
Investment in Aemetis International, Inc. | 963 | 142
Investment in Aemetis Biogas LLC | 6,304 | 0
Total subsidiary obligation in excess of investment | 104,875 | 75,754
Total long term liabilities | 104,875 | 75,754
Stockholders' deficit |  |
Series B Preferred convertible stock | 1 | 1
Common stock | 20 | 20
Additional paid-in capital | 85,917 | 84,679
Accumulated deficit | (193,204) | (160,188)
Accumulated other comprehensive loss | (3,576) | (2,904)
Total stockholders' deficit | (110,842) | (78,392)
Total liabilities & stockholders' deficit | $ 6,544 | $ 8,912

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