Quarterly report [Sections 13 or 15(d)]

Summary of Significant Accounting Policies - Narrative (Details)

v3.25.4
Summary of Significant Accounting Policies - Narrative (Details)
3 Months Ended
Oct. 24, 2025
Dec. 31, 2025
USD ($)
segment
shares
Dec. 31, 2024
USD ($)
shares
Nov. 14, 2025
USD ($)
Sep. 30, 2025
USD ($)
shares
Property Plant And Equipment [Line Items]          
Accounts receivable, net   $ 1,520,000     $ 1,014,000
Lease income   384,000 $ 0    
Variable lease income   37,000      
Federally insured limit   250,000      
Restricted cash   $ 762,000     $ 762,000
Stock options (in shares) | shares   27,000 36,500   36,500
Proceeds from grower's support payments   $ 0 $ 0    
Impairment of long-lived assets   $ 0 0    
Number of business segments | segment   2      
CGSD agreement interest rate 5.00%        
Financing receivable, after allowance for credit loss       $ 5,071,000  
Net Income (loss) attributable to subsidiary   $ (114,000) (84,000)    
Citree          
Property Plant And Equipment [Line Items]          
Net Income (loss) attributable to subsidiary   $ (233,000) $ (172,000)    
Ownership interest (as a percent)   51.00% 51.00%    
Operating Expense          
Property Plant And Equipment [Line Items]          
Proceeds from grower's support payments   $ 42,000 $ 406,000    
Inventories          
Property Plant And Equipment [Line Items]          
Proceeds from grower's support payments, current   $ 383,000     $ 425,000
Market Based Restricted Stock Units          
Property Plant And Equipment [Line Items]          
Number of options excluded from the calculation of dilutive securities (in shares) | shares   38,000 38,000   38,000
Citrus          
Property Plant And Equipment [Line Items]          
Accounts receivable, net   $ 591,000     $ 575,000