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Debt (Details) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Sep. 10, 2025
Jul. 01, 2025
Jan. 30, 2025
Oct. 01, 2024
Sep. 30, 2025
Sep. 30, 2024
Jun. 30, 2025
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Debt [Line Items]                    
Loan obligations         $ 7,000     $ 7,000   $ 14,000
Term loan               1,640,000    
Amortization of deferred finance costs         $ 17,000 $ 17,000   $ 51,000 $ 51,000  
Excess cash flow percentage               25.00%    
Credit facility description               (i) 3.50% and (ii) a rate per annum equal to the rate per annum published from time to time in the “Money Rates” table of the Wall Street Journal (or such other presentation within The Wall Street Journal as may be adopted hereafter for such information) as the base or prime rate for corporate loans at the nation’s largest commercial bank, less sixty-five hundredths (-0.65%) of one percent per annum.    
Average interest rate         6.81% 7.78%   6.84% 7.83%  
Amendment fee paid                 $ 20,000  
Term loan monthly principal payments     $ 19,524              
Proceeds from at the market offering $ 3,930,000                  
Finance leases         $ 841,000     $ 841,000   $ 1,007,000
Average imputed interest rate               7.43%   7.43%
Finance lease payments         Finance lease payments     Finance lease payments   Finance lease payments
Notes proceeds               $ 6,550,000    
Promissory notes for placement agency fees           $ 554,000     554,000  
Principal payments               4,800,000    
Interest expense related parties         $ 86,000 118,000   271,000 354,000  
Convertible subordinated notes         4,871,000     4,871,000   $ 6,162,000
Related party debt not convertible         550,000     550,000    
Market Offering [Member]                    
Debt [Line Items]                    
Principal payments         0     1,291,000    
Principal face amount         1,291,000     $ 1,291,000    
Convertible Subordinated Notes [Member]                    
Debt [Line Items]                    
Debt description               There are no principal payments due prior to July 1, 2026.    
Revolving Loan [Member]                    
Debt [Line Items]                    
Borrowing capacity         4,162,000     $ 4,162,000    
Current Credit Facility [Member]                    
Debt [Line Items]                    
Interest expense on current credit facility         347,000 332,000   988,000 980,000  
Required EBITDA             $ 740,000 $ 1,500,000   2,800,000
Term Loan increase                 1,000,000  
Principal of monthly installments                 68,000  
Current Credit Facility [Member] | Webster Bank [Member]                    
Debt [Line Items]                    
Current credit facility expires               Dec. 30, 2025    
Revolving Line of Credit [Member]                    
Debt [Line Items]                    
Term loan               $ 1,640,000    
Term Loan         15,838,000     15,838,000   12,905,000
Revolving Line of Credit [Member] | Webster Bank [Member]                    
Debt [Line Items]                    
Revolving line of credit -maximum         20,000,000     20,000,000    
Term loan               5,700,000    
Term Loans [Member]                    
Debt [Line Items]                    
Term Loan         6,118,000     6,118,000    
Amendment fee paid     20,000              
Acquisition of additional equipment     $ 1,640,000              
Related party notes allowed to be paid under certain limitations             $ 4,800,000      
Solar Credit Facility [Member]                    
Debt [Line Items]                    
Term loan       $ 970,000            
Term Loan         970,000     970,000   970,000
Interest expense on current credit facility         14,000 $ 11,000   42,000 30,000  
Cumulative advance total       $ 934,000            
Interest rate percentage prior to project completion       5.00%            
Interest accrued       $ 36,000            
Converted term       20 years            
Interest rate percentage upon project completion       5.75%            
Short term debt         28,000     28,000    
Long term debt         942,000     942,000    
Solar Credit Facility [Member] | Connecticut Green Bank [Member]                    
Debt [Line Items]                    
Closing costs       $ 25,000            
Interest accrued       $ 36,000            
Principal interest payments   $ 42,000                
Michael & Robert & Taglich Brothers Inc [Member]                    
Debt [Line Items]                    
Related party debt         4,871,000     4,871,000    
Michael & Robert & Taglich Brothers Inc [Member] | Annual Interest Rate 6 % [Member]                    
Debt [Line Items]                    
Related party debt         $ 2,519,000     $ 2,519,000    
Annual interest rate         6.00%     6.00%    
Michael & Robert & Taglich Brothers Inc [Member] | Annual Rate 7% [Member]                    
Debt [Line Items]                    
Related party debt         $ 1,802,000     $ 1,802,000    
Annual interest rate         7.00%     7.00%    
Convertible subordinated notes         $ 1,802,000     $ 1,802,000    
Convertible conversion price per share (in Dollars per share)         $ 9.3     $ 9.3    
Michael & Robert & Taglich Brothers Inc [Member] | Annual Interest Rate 12% [Member]                    
Debt [Line Items]                    
Related party debt         $ 550,000     $ 550,000    
Annual interest rate         12.00%     12.00%    
Loan Obligation [Member]                    
Debt [Line Items]                    
Loan obligations         $ 7,000     $ 7,000   14,000
Michael & Robert & Taglich Brothers Inc [Member]                    
Debt [Line Items]                    
Issued shares (in Shares)               35,508    
Michael Taglich [Member] | Market Offering [Member]                    
Debt [Line Items]                    
Principal payment               $ 1,050,000    
Taglich Brothers [Member] | Market Offering [Member]                    
Debt [Line Items]                    
Principal payment               241,000    
Debt [Member]                    
Debt [Line Items]                    
Loan obligations         28,645,000     28,645,000   $ 26,283,000
Common Stock [Member] | Convertible Subordinated Notes [Member]                    
Debt [Line Items]                    
Convertible subordinated notes         $ 2,519,000     $ 2,519,000    
Convertible conversion price per share (in Dollars per share)         $ 15     $ 15    
Maximum [Member] | Current Credit Facility [Member]                    
Debt [Line Items]                    
Term loan                 $ 5,700,000  
ATM Offering [Member]                    
Debt [Line Items]                    
Proceeds from at the market offering               $ 3,930,000