Annual report [Section 13 and 15(d), not S-K Item 405]

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 9 Months Ended 12 Months Ended
Nov. 18, 2024
Mar. 31, 2026
Sep. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 23, 2025
Oct. 06, 2025
Dec. 31, 2023
Sep. 30, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Net loss       $ 9,133,000 $ 4,677,000        
Cash used in operating activities       1,061,000 536,000        
Inventory write down       1,967,000 900,000        
Impairment of right of use assets and lease deposits       $ 455,000        
Common stock, par value       $ 0.0001 $ 0.0001   $ 0.0001    
Aggregate offering price             $ 2,382,000    
Proceed from borrowing           $ 399,000      
Reverse stock split description 1:7                
Net sales       $ 6,304,000 $ 13,970,000        
Warranty reserve accrual       600,000 600,000     $ 600,000  
FDIC insurance limit       250,000          
Research and development cost       $ 646,000 $ 771,000        
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       88.00% 88.00%        
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       7.00% 13.00%        
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       65.00% 48.00%        
Largest Customer Two [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         14.00%        
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%          
Largest Receivable Accounts [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Concentration risk         82.00%        
Largest Vendors One [Member] | Accounts Payable [Member] | Supplier Concentration Risk [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Concentration risk       21.00% 18.00%        
Largest Vendors Two [Member] | Accounts Payable [Member] | Customer Concentration Risk [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Concentration risk       7.00% 13.00%        
Largest Vendors Three [Member] | Accounts Payable [Member] | Customer Concentration Risk [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Concentration risk       7.00% 8.00%        
Share-Based Payment Arrangement, Option [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Purchase options       12,858 20,002        
International Sales [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Net sales       $ 415,000 $ 1,862,000        
Common Stock [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Net loss              
Common Stock [Member] | ATM Offering [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Number of common shares sold   962,500   166,127          
Sale of stock, per shares   $ 2.60   $ 4.70          
Net proceeds   $ 2,425,000   $ 757,000          
Other offering expenses   $ 75,000   23,000          
Pinnacle Bank [Member] | Loan and Security Agreement [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Line of Credit Facility, Maximum Borrowing Capacity                 $ 7,500,000
Inventory write down       1,967,000          
Impairment of right of use assets and lease deposits       $ 455,000          
Loan description     On March 10, 2026, the Company and Pinnacle executed a Notice of Additional Defaults and 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 by the Forbearance Termination Date, 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 Bank 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 a Notice of Additional Defaults and 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 Bank 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.          
Pinnacle Bank [Member] | Loan and Security Agreement [Member] | Maximum [Member]                  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                  
Tangible Asset Impairment Charges       $ 6,000,000