Condensed Consolidated Statements of Operations (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Condensed Consolidated Statements of Operations
Revenues	$ 45,583,441	$ 41,908,904	$ 125,203,672	$ 121,956,934
Cost of Goods Sold	41,523,283	39,987,071	119,568,050	118,668,185
Gross Profit	4,060,158	1,921,833	5,635,622	3,288,749
Selling, General, and Administrative Expenses	674,200	714,906	2,537,919	2,428,646
Settlement Expense				900,000
Operating Income (Loss)	3,385,958	1,206,927	3,097,703	(39,897)
Other Income (Expense)
Interest income	310	2,441	17,063	9,299
Interest expense	(755,532)	(653,663)	(2,254,167)	(1,943,578)
Other income	10,925	2,182	30,198	34,136
Total other expense, net	(744,297)	(649,040)	(2,206,906)	(1,900,143)
Net income (loss)	2,641,661	557,887	890,797	(1,940,040)
Net Income Attributable to Noncontrolling Interest	(87,168)	(87,289)	(254,999)	(258,520)
Net Income (Loss) Attributable to Herom Lake BioEnergy, LLC	$ 2,554,493	$ 470,598	$ 635,798	$ (2,198,560)
Weighted Average Units Outstanding - Basic (in shares)	38,875,678	38,622,107	38,706,942	38,472,447
Net Income (Loss) Per Unit - Basic (in dollars per share)	$ 0.07	$ 0.01	$ 0.02	$ (0.06)
Weighted Average Units Outstanding - Diluted (in shares)	42,741,063	38,622,107	40,000,140	38,472,447
Net Income (Loss) Per Unit - Diluted (in dollars per share)	$ 0.06	$ 0.01	$ 0.02	$ (0.06)