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1. Nature of Activities and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Proceeds from sale of land

Disaggregation of revenue

North America (in thousands)
	For the three months ended March 31,
		2018		2017
Ethanol sales	$	28,212	$	23,545
Wet distiller's grains sales		7,828		5,581
Other sales		1,136		827
		37,176		29,953

India (in thousands)
	For the three months ended March 31,
		2018		2017
Biodiesel sales	$	4,501	$	833
Refined Glycerin sales		1,341		788
	$	5,842	$	1,621

Schedule of dilutive securities

		As of
		March 31, 2018				March 31, 2017
Series B preferred (post split basis)			132				133
Common stock options and warrants			2,857				2,613
Debt with conversion feature at $30 per share of common stock			1,208				1,168
Total number of potentially dilutive shares excluded from the diluted net loss per share calculation			4,197				3,914

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- References

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045

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Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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