Alto Ingredients, Inc. Annual report pursuant to Section 13 and 15(d)

8. PREFERRED STOCK (Details)

8. PREFERRED STOCK (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Amount of Dividends Paid	$ 319us-gaap_DividendsPreferredStock	$ 319us-gaap_DividendsPreferredStock	$ 315us-gaap_DividendsPreferredStock	$ 312us-gaap_DividendsPreferredStock	$ 319us-gaap_DividendsPreferredStock	$ 319us-gaap_DividendsPreferredStock	$ 315us-gaap_DividendsPreferredStock	$ 312us-gaap_DividendsPreferredStock	$ 1,265us-gaap_DividendsPreferredStock	$ 1,265us-gaap_DividendsPreferredStock	$ 1,268us-gaap_DividendsPreferredStock
Accrued and unpaid dividends	0				3,657				0	3,657
Series B Preferred Stock
Amount of Dividends Paid									7,315
Shares of Common Stock Issued									932,500
Series B Preferred Stock \| January 1, 2014
Agreement Date									Aug. 12, 2012
Amount of Dividends Paid									732
Shares of Common Stock Issued									157,000
Extended Forbearance Date									Jan. 01, 2014
Series B Preferred Stock \| June 30, 2014
Agreement Date									Dec. 26, 2012
Amount of Dividends Paid									732
Shares of Common Stock Issued									144,500
Extended Forbearance Date									Jun. 30, 2014
Series B Preferred Stock \| September 30, 2014
Agreement Date									Mar. 27, 2013
Amount of Dividends Paid									732
Shares of Common Stock Issued									139,000
Extended Forbearance Date									Sep. 30, 2014
Series B Preferred Stock \| December 31, 2014
Agreement Date									Jul. 26, 2013
Amount of Dividends Paid									731
Shares of Common Stock Issued									175,000
Extended Forbearance Date									Dec. 31, 2014
Series B Preferred Stock \| March 31, 2015
Agreement Date									Sep. 17, 2013
Amount of Dividends Paid									731
Shares of Common Stock Issued									197,000
Extended Forbearance Date									Mar. 31, 2015
Series B Preferred Stock \| November 30, 2015
Agreement Date									May 23, 2014
Amount of Dividends Paid									1,463
Shares of Common Stock Issued									120,000
Extended Forbearance Date									Nov. 30, 2015
Series B Preferred Stock \| Payment Date November 24, 2014
Agreement Date									Nov. 24, 2014
Amount of Dividends Paid									1,000
Series B Preferred Stock \| Payment Date December 23, 2014
Agreement Date									Dec. 23, 2014
Amount of Dividends Paid									$ 1,194