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Debt (Details) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Jul. 01, 2025
Oct. 01, 2024
May 31, 2024
Nov. 20, 2023
Aug. 04, 2023
Dec. 31, 2019
Sep. 30, 2024
Sep. 30, 2023
Jun. 30, 2024
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2024
Dec. 31, 2023
Jun. 30, 2025
Mar. 31, 2025
Mar. 31, 2024
Aug. 16, 2023
Debt [Line Items]                                  
Total debt outstanding                   $ 24,976,000     $ 23,310,000        
Amortization of deferred financing 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             7.78% 7.78%   7.83% 7.44%            
Description of seventh amendment     ●On May 31, 2024, the Company entered into a Seventh Amendment that waived the default caused by the Company’s failure to achieve the Fixed Charge Coverage Ratio required by the Sixth Amendment. This amendment further revised the Financial Covenants. For the six months ending June30, 2024 EBITDA shall not be less than $740,000; for the nine months ending September 30, 2024 EBITDA shall not be less than $1,500,000; for the twelve months ending December 31, 2024 EBITDA shall not be less than $2,800,000. For the rolling twelve-month period ending March 31, 2025, the Company is required to achieve a Fixed Charge Coverage Ratio of 1.05x. Beginning with the rolling twelve-month period ending June 30, 2025 and forward the Company is required to achieve a Fixed Charge Coverage Ratio of 1.25x. All other covenants remain unchanged. Additionally, this amendment increased the Term Loan by approximately $1,000,000 to $5,700,000, with monthly principal installments in the amount of $68,000. In connection with these changes, the Company paid an amendment fee of $20,000.                            
Finance leases             $ 1,061,000     $ 1,061,000     $ 884,000        
Average imputed interest rate                   7.44%     7.44%        
Finance lease payments             Finance lease payments     Finance lease payments              
Loan obligations             $ 16,000     $ 16,000     $ 22,000        
Notes proceeds                   6,550,000              
Promissory notes for placement agency fees             554,000     554,000              
Convertible subordinated notes             6,162,000     6,162,000              
Non-convertible subordinated notes             1,350,000     1,350,000              
Related party notes amount allowed to be paid under certain limitation             250,000     250,000              
Convertible Subordinated Notes [Member]                                  
Debt [Line Items]                                  
Convertible subordinated notes             $ 2,732,000     $ 2,732,000              
Convertible conversion price per share (in Dollars per share)             $ 15     $ 15              
Convertible subordinated notes             $ 2,080,000     $ 2,080,000              
Convertible conversion price per share (in Dollars per share)                   $ 9.3              
Maximum [Member]                                  
Debt [Line Items]                                  
Amount of EBITDA                   $ 2,620,000              
Minimum [Member]                                  
Debt [Line Items]                                  
Amount of EBITDA                   1,500,000              
Michael & Robert & Taglich Brothers Inc [Member]                                  
Debt [Line Items]                                  
Interest expense             118,000 $ 118,000   $ 354,000 $ 354,000            
Issued shares (in Shares)                   35,508              
Total related party debt             6,162,000     $ 6,162,000              
Michael & Robert & Taglich Brothers Inc [Member] | Annual Interest Rate [Member]                                  
Debt [Line Items]                                  
Total related party debt             $ 2,732,000     $ 2,732,000              
Annual interest rate             6.00%     6.00%              
Michael & Robert & Taglich Brothers Inc [Member] | Annual Rate 7% [Member]                                  
Debt [Line Items]                                  
Total related party debt             $ 2,080,000     $ 2,080,000              
Annual interest rate             7.00%     7.00%              
Michael & Robert & Taglich Brothers Inc [Member] | Annual Interest Rate 12% [Member]                                  
Debt [Line Items]                                  
Annual interest rate             12.00%     12.00%              
Michael & Robert Taglich Inc [Member] | Annual Interest Rate 12% [Member]                                  
Debt [Line Items]                                  
Total related party debt             $ 1,350,000     $ 1,350,000              
Current Credit Facility [Member]                                  
Debt [Line Items]                                  
Interest expense             332,000 380,000   980,000 1,084,000            
Amount of EBITDA                 $ 740,000 $ 1,500,000              
Purchase money secured debt allowed         $ 2,000,000                        
Amendment fee paid     $ 20,000 $ 20,000 $ 10,000                        
Fixed charge coverage ratio       1.25%         1.20%             1.10%  
Capital expenditure       $ 2,500,000                          
Principal of monthly installments     68,000                            
Current Credit Facility [Member] | Webster Bank [Member]                                  
Debt [Line Items]                                  
Current credit facility expires                   Dec. 30, 2025              
Current Credit Facility [Member] | Maximum [Member]                                  
Debt [Line Items]                                  
Term loan     5,700,000                            
Current Credit Facility [Member] | Minimum [Member]                                  
Debt [Line Items]                                  
Term loan     $ 1,000,000                            
Revolving Credit Facility [Member]                                  
Debt [Line Items]                                  
Line of credit             11,437,000     $ 11,437,000     10,804,000        
Revolving line of credit availability subject to having requisite collateral and compliance with Credit Facility             8,563,000     8,563,000              
Revolving Credit Facility [Member] | Webster Bank [Member]                                  
Debt [Line Items]                                  
Outstanding indebtedness           $ 20,000,000                      
Line of Credit [Member]                                  
Debt [Line Items]                                  
Outstanding indebtedness             16,838,000     16,838,000              
Line of Credit [Member] | Webster Bank [Member]                                  
Debt [Line Items]                                  
Term loan           $ 5,700,000                      
Solar Credit Facility [Member]                                  
Debt [Line Items]                                  
Term loan   $ 970,000                              
Interest expense             11,000 $ 1,000   30,000 $ 1,000            
Line of credit             899,000     899,000     $ 393,000        
Cumulative advance total             $ 899,000     899,000              
Disbursements amount   35,000                              
Cumulative advances   934,000                              
Interest accrued   $ 36,000                              
Long term debt $ 899,000                                
Long term debt current 0                                
Solar Credit Facility [Member] | Connecticut Green Bank [Member]                                  
Debt [Line Items]                                  
Closing costs                   $ 25,000              
Interest rate percentage prior to project completion             5.00%     5.00%              
Converted term   20 years                              
Interest rate percentage upon project completion             5.75%     5.75%              
Solar Credit Facility [Member] | Maximum [Member]                                  
Debt [Line Items]                                  
Cumulative advance total                                 $ 934,000
Forecast [Member] | Current Credit Facility [Member]                                  
Debt [Line Items]                                  
Amount of EBITDA                       $ 2,800,000          
Fixed charge coverage ratio                           1.25% 1.05%    
Forecast [Member] | Solar Credit Facility [Member] | Connecticut Green Bank [Member]                                  
Debt [Line Items]                                  
Principal interest payments $ 42,000