Organization and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of sold to customers representing 10% or more of the Company’s total net sales

	Years Ended December 31,
	2021			2020			2019
Customer A		13	%		3	%		9	%
Customer B		9	%		9	%		11	%
Customer C		1	%		5	%		13	%

Schedule of purchased corn from suppliers representing 10% or more of the Company’s total corn purchases

	Years Ended December 31,
	2021			2020			2019
Supplier A		14	%		16	%		16	%
Supplier B		—	%		9	%		25	%

Schedule of inventories

	December 31,
	2021		2020
Finished goods	$	35,509	$	25,154
Work in progress		6,909		4,333
Raw materials		10,837		7,074
Other		1,118		1,364
Total	$	54,373	$	37,925

Schedule of depreciation is computed using the straight-line method

Buildings	40 years
Facilities and plant equipment	10 – 25 years
Other equipment, vehicles and furniture	5 – 10 years

Schedule of basic and diluted earnings per share

	Year Ended December 31, 2021
	Income Numerator			Shares Denominator		Per-Share Amount
Net income attributed to Alto Ingredients, Inc.	$	46,082
Less: Preferred stock dividends		(1,265	)
Less: Income allocated to participating securities		(600	)
Basic income per share:
Income available to common stockholders	$	44,217			71,098	$	0.62
Add: Dilutive securities		—			1,121
Diluted income per share:
Income available to common stockholders	$	44,217			72,219	$	0.61

	Year Ended December 31, 2020
	Loss Numerator			Shares Denominator		Per-Share Amount
Net loss attributed to Alto Ingredients, Inc.	$	(15,116	)
Less: Preferred stock dividends		(1,268	)
Basic and diluted loss per share:
Loss available to common stockholders	$	(16,384	)		58,609	$	(0.28	)

	Year Ended December 31, 2019
	Loss Numerator			Shares Denominator		Per-Share Amount
Net loss attributed to Alto Ingredients, Inc.	$	(88,949	)
Less: Preferred stock dividends		(1,265	)
Basic and diluted loss per share:
Loss available to common stockholders	$	(90,214	)		47,384	$	(1.90	)