Basis of Presentation and Significant Accounting Policies (Schedule of Major Customer Data) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Concentration Risk [Line Items]
Accounts receivable	$ 3,071	$ 2,928
Customer Concentration Risk [Member] | USSC [Member]
Concentration Risk [Line Items]
Accounts receivable	1,970	1,180
Revenue	14,442	7,796	4,097
% of Total Revenue	11.00%	8.00%	5.00%
Customer Concentration Risk [Member] | Southern Gardens [Member]
Concentration Risk [Line Items]
Accounts receivable
Revenue		19,950	14,471
% of Total Revenue		20.00%	18.00%
Customer Concentration Risk [Member] | Florida Orange Marketers, Inc. [Member]
Concentration Risk [Line Items]
Accounts receivable
Revenue	22,219	17,743	14,362
% of Total Revenue	18.00%	18.00%	18.00%
Customer Concentration Risk [Member] | Citrosuco North America, Inc. [Member]
Concentration Risk [Line Items]
Accounts receivable
Revenue	18,895	17,416	4,468
% of Total Revenue	15.00%	18.00%	6.00%
Customer Concentration Risk [Member] | Louis Dreyfus [Member]
Concentration Risk [Line Items]
Accounts receivable
Revenue	29,344	12,069	3,844
% of Total Revenue	23.00%	12.00%	5.00%
Customer Concentration Risk [Member] | Cutrale Citrus Juice [Member]
Concentration Risk [Line Items]
Accounts receivable
Revenue	$ 13,156	$ 3,507	$ 17,509
% of Total Revenue	10.00%	4.00%	22.00%