Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents		$ 80,621	$ 16,302
Accounts receivable		370	1,135
Inventories		2,551	3,201
Prepaid expenses and other current assets		4,614	3,590
Total current assets		88,156	24,228
Property, plant and equipment, net		63,324	66,696
Investment in Juhl		1,500	1,500
Deposits and other assets		507	935
Total assets	[1]	153,487	93,359
Current liabilities:
Accounts payable and accrued liabilities		4,904	5,678
2020/21 Notes embedded derivative liability		29
Loans payable - other (current)		704	516
Total current liabilities		18,143	20,094
Loans payable - other (long-term)		583	233
Other long-term liabilities		172	528
Total liabilities		18,898	20,855
Commitments and Contingencies (see Note 12)
Stockholders' Equity
Common stock, $0.01 par value per share; 250,000,000 authorized; 119,578,203 and 14,083,232 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively.		1,196	141
Additional paid-in capital		613,511	530,349
Accumulated deficit		(480,118)	(457,986)
Total stockholders' equity		134,589	72,504
Total liabilities and stockholders' equity		153,487	93,359
Convertible 2020/21 Notes [Member]
Current liabilities:
Notes (current), net		$ 12,506
Convertible 2020 Notes [Member]
Current liabilities:
Notes (current), net			$ 13,900

[1] All other significant non-cash items relate to the activities of Gevo.