Quarterly report [Sections 13 or 15(d)]

ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
May 11, 2026
May 10, 2026
Dec. 23, 2025
Dec. 12, 2025
Dec. 11, 2025
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 26, 2025
Oct. 06, 2025
Dec. 31, 2024
Sep. 30, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Net Income (Loss) Attributable to Parent           $ 178,000 $ 1,265,000          
Used cash in operations           (2,191,000) (584,000)          
Past due lease obligations           206,000            
Rent expenses           333,000 398,000          
Rent payable           $ 858            
Common stock, par value           $ 0.0001   $ 0.0001   $ 0.0001    
Aggregate offering price                   $ 2,382,000    
Number of shares issued, value           $ 2,424,000            
Proceeds from common stock           2,424,000          
Other expenses           202,000 165,000          
Proceed from borrowing     $ 399,000                  
Repayment of loan     13,000         $ 13,000        
Rental revenues                    
Net sales           1,728,000 $ 1,723,000          
Inventory write down           0            
Warranty reserve accrual           $ 150,000   $ 600,000     $ 600,000  
Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Revenue from Rights Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk           96.00% 82.00%          
Sales To International Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Revenue from Rights Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk           5.00% 18.00%          
Largest Customer One [Member] | Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk           72.00% 71.00%          
Customer [Member] | Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk           17.00%            
No Other Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk           10.00%            
Largest Receivable Accounts [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk           83.00%            
Largest Receivable Accounts One [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk               59.00%        
Largest Receivable Accounts Two [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk               18.00%        
No other customer [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk           10.00%   10.00%        
Largest Vendors One [Member] | Accounts Payable [Member] | Supplier Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk           28.00%   21.00%        
Largest Vendors Two [Member] | Accounts Payable [Member] | Customer Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk           8.00%   7.00%        
Largest Vendors Three [Member] | Accounts Payable [Member] | Customer Concentration Risk [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Concentration risk           7.00%   7.00%        
International Sales [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Net sales           $ 78,000 $ 302,000          
ATM Offering [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Share price per share           $ 2.60            
Number of shares issued           962,500            
Proceeds from common stock           $ 2,424,000            
Other expenses           75,000            
Common Stock [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Net Income (Loss) Attributable to Parent                    
Number of shares issued, value       $ 2,500,000              
Number of shares issued           962,500            
Common Stock [Member] | ATM Offering [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Number of common shares sold               166,127        
Share price per share               $ 4.70        
Net proceeds               $ 757,000        
Other offering expenses               $ 23,000        
Loan and Security Agreement [Member] | Pinnacle Bank [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Line of Credit Facility, Maximum Borrowing Capacity                       $ 7,500,000
Debt Instrument, Description           On March 10, 2026, the Company and Pinnacle executed a Notice of Additional Defaults and Forbearance Agreement (the “Forbearance Agreement”), in which Pinnacle agrees to forbear from exercising certain rights and remedies under the Loan Agreement and related documents (the “Loan Documents”) arising from the Specified Existing Defaults (as defined by the Forbearance Agreement) for the period commencing March 10, 2026 (the “Effective Date”), to July 31, 2026 (the “Forbearance Termination Date”), considering the Company 1) on or prior to the Effective Date, pays Pinnacle the amount of $250, 2) on or prior to the Effective Date, assigns to Pinnacle new Eligible Accounts in the aggregate amount of at least $185, with 85% of the Net Face Amount (as defined by the Forbearance Agreement) of such new Eligible Accounts (as defined by the Forbearance Agreement) to be applied to reduce the loan obligations, 3) within forty-five (45) days of the Effective Date, reduce the loan obligations by the aggregate amount of $225, which reduction can result from a cash payment or the assignment of sufficient new Eligible Accounts, with 85% of the Net Face Amount of such new Eligible Accounts to be applied towards such reduction amount, 4) does not create any new events of default, 5) pays in full all obligations to Pinnacle by the Termination Date. If the Company timely complies with all terms listed above, and so long as the Forbearance Termination Date has not occurred, Pinnacle agrees that it will re-commence making Advances to the Company in the amount equal to 42.5% of the Net Face Amount of the thereafter arising Eligible Accounts, with the remaining 42.5% of the Net Face Amount of such Eligible Accounts to be applied to reduce the then outstanding obligations. In March 2026, the Company paid $250 to Pinnacle and timely complied with the requirements under the Forbearance Agreement and commenced taking advances at 42.5% of the Net Face Amount of Eligible Accounts on March 12, 2026   On March 10, 2026, the Company and Pinnacle executed the Forbearance Agreement, in which Pinnacle agrees to forbear from exercising certain rights and remedies under the Loan Documents arising from the Specified Existing Defaults for the period commencing March 10, 2026, the Effective Date, to July 31, 2026, the Forbearance Termination Date, considering the Company 1) on or prior to the Effective Date, pays Pinnacle the amount of $250, 2) on or prior to the Effective Date, assigns to Pinnacle new Eligible Accounts in the aggregate amount of at least $185, with 85% of the Net Face Amount of such new Eligible Accounts to be applied to reduce the loan obligations, 3) within forty-five (45) days of the Effective Date, reduce the loan obligations by the aggregate amount of $225, which reduction can result from a cash payment or the assignment of sufficient new Eligible Accounts, with 85% of the Net Face Amount of such new Eligible Accounts to be applied towards such reduction amount, 4) does not create any new events of default, 5) pays in full all obligations to Pinnacle by the Termination Date. If the Company timely complies with all terms listed above, and so long as the Forbearance Termination Date has not occurred, Pinnacle agrees that it will re-commence making Advances to the Company in the amount equal to 42.5% of the Net Face Amount of the thereafter arising Eligible Accounts, with the remaining 42.5% of the Net Face Amount of such Eligible Accounts to be applied to reduce the then outstanding obligations. In March 2026, the Company paid $250 to Pinnacle and timely complied with the requirements under the Forbearance Agreement and commenced taking advances at 42.5% of the Net Face Amount of Eligible Accounts on March 12, 2026.        
Loan and Security Agreement [Member] | Pinnacle Bank [Member] | Maximum [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Tangible Asset Impairment Charges           $ 6,000,000   $ 6,000,000        
ATM Offering [Member] | Common Stock [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Number of common shares sold           962,500   166,127        
Share price per share           $ 2.60   $ 4.70        
Net proceeds           $ 2,424,000   $ 757,000        
Common stock, sales price       $ 757,000 $ 757,000              
Note Agreement [Member] | Chief Executive Officer [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Loan origination fees     20,000     365,000     $ 20,000      
Loan advance     480,000           480,000      
Net proceed of loan           611,000            
Note Agreement [Member] | Chief Executive Officer [Member] | Due in October 2025 [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Loan amount     $ 500,000           500,000      
Net proceed of loan                 $ 399,000      
Total repayment obligation           $ 365,000            
Subsequent Event [Member] | Settlement Agreement [Member]                        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                        
Past due lease obligations $ 400,000                      
Rent expenses $ 55,000 $ 84,000