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Summary of Significant Accounting Policies - Narrative (Details)		3 Months Ended		6 Months Ended		12 Months Ended
	Oct. 24, 2025	Mar. 31, 2026 USD ($) boardMember	Mar. 31, 2025 USD ($)	Mar. 31, 2026 USD ($) boardMember	Mar. 31, 2025 USD ($)	Sep. 30, 2025 USD ($)	Nov. 14, 2025 USD ($)
Disaggregation Of Revenue [Line Items]
Accounts receivable, net		$ 2,189,000		$ 2,189,000		$ 1,014,000
Lease income		916,000	$ 0	1,300,000	$ 0
Variable lease income		138,000		175,000
Federally insured limit				250,000		250,000
Restricted cash		762,000		762,000		762,000
Proceeds from grower's support payments				0	0
Allowance for credit losses		239,000		239,000		60,000
Impairment of long-lived assets		$ 0		$ 0	24,966,000
Number of board members \| boardMember		5		5
CGSD agreement interest rate	5.00%
Financing receivable, after allowance for credit loss							$ 5,071,000
Net Income (loss) attributable to subsidiary		$ (99,000)	(48,000)	$ (213,000)	(132,000)
Citree
Disaggregation Of Revenue [Line Items]
Net Income (loss) attributable to subsidiary		$ (202,000)	$ (98,000)	$ (435,000)	$ (270,000)
Ownership interest (as a percent)		51.00%	51.00%	51.00%	51.00%
Operating Expense
Disaggregation Of Revenue [Line Items]
Proceeds from grower's support payments				$ 297,000	$ 959,000
Inventories
Disaggregation Of Revenue [Line Items]
Proceeds from grower's support payments, current		$ 128,000		128,000		425,000
Citrus
Disaggregation Of Revenue [Line Items]
Accounts receivable, net		$ 1,666,000		$ 1,666,000		$ 575,000