Quarterly report [Sections 13 or 15(d)]

LINE OF CREDIT (Details Narrative)

v3.25.3
LINE OF CREDIT (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Oct. 21, 2025
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Sep. 30, 2020
Debt Instrument [Line Items]                
Inventory Write-down   $ 1,967   $ 1,967      
[custom:ImpairmentOfRightofuseAssetsAndLeaseDeposits]   455 455      
Line of Credit, Current   4,652   4,652   $ 4,797    
Repayments of lines of credit       145        
General and administrative expenses   807 960 2,518 3,001      
Loan and Security Agreement [Member]                
Debt Instrument [Line Items]                
Total interest expense, fee   258 248 497 588      
General and administrative expenses   88 99 90 100      
Interest expense   170 $ 149 407 $ 488      
Fifth Modification Loan [Member]                
Debt Instrument [Line Items]                
Line of Credit Facility, Description             Pursuant to the Loan Agreement, as amended, the standards of eligible accounts receivable include AT&T accounts receivable up to 120 days of invoice date, and eligible accounts receivable with other customers have up to 90 days of invoice date. Customer accounts with eligible accounts receivable cannot exceed a concentration percentage which is a customer’s total obligations to the Company as a percentage of eligible accounts receivable from all customers. The concentration percentage applicable to certain Tier-1 telecommunications customers is 75% of all eligible accounts receivable, and the concentration percentage applicable to all other customer is 25% of all eligible accounts.  
Pinnacle Bank [Member] | Loan and Security Agreement [Member]                
Debt Instrument [Line Items]                
Line of Credit Facility, Maximum Borrowing Capacity               $ 7,500
Repayments of Unsecured Tax Exempt Debt       29        
Tangible Asset Impairment Charges       3,405        
Inventory Write-down       1,967        
[custom:ImpairmentOfRightofuseAssetsAndLeaseDeposits]       $ 455        
Loan description       We are in current discussions with Pinnacle and negotiating with them in good faith on these terms, and expect to come to a mutually agreeable outcome, which, at this time, we believe will provide that Pinnacle will accept certain amounts we expect to receive in purchase orders over the next few months ($325 by December 15, 2025), provided that if such purchase orders are not fulfilled, $325 will be due in December, regardless, and in each case the balance outstanding ($155) will be due by January 15, 2026. While the Company believes it has a good working relationship with Pinnacle, Pinnacle could seek other remedies against the Company pursuant to the Loan Agreement or terminate the Loan Agreement. If the Company is unable to comply with the Loan Agreement, or amendments if applicable, the Company may lose its financing with Pinnacle.        
Line of Credit, Current           4,797    
Long-Term Line of Credit   $ 4,652   $ 4,652   $ 654    
Repayments of lines of credit       $ 145        
Pinnacle Bank [Member] | Loan and Security Agreement [Member] | Standard Interest Rate [Member]                
Debt Instrument [Line Items]                
Line of credit facility, interest rate percentage       8.50%   8.75%    
Pinnacle Bank [Member] | Loan and Security Agreement [Member] | Standard Interest Rate [Member] | Prime Rate [Member]                
Debt Instrument [Line Items]                
Line of credit facility, interest rate percentage       1.25%        
Pinnacle Bank [Member] | Loan and Security Agreement [Member] | Inventory Interest Rate [Member]                
Debt Instrument [Line Items]                
Line of credit facility, interest rate percentage       9.50%   9.75%    
Pinnacle Bank [Member] | Loan and Security Agreement [Member] | Inventory Interest Rate [Member] | Prime Rate [Member]                
Debt Instrument [Line Items]                
Line of credit facility, interest rate percentage       2.25%        
Pinnacle Bank [Member] | Loan and Security Agreement [Member] | Subsequent Event [Member]                
Debt Instrument [Line Items]                
Over advace $ 480              
Pinnacle Bank [Member] | Loan and Security Agreement [Member] | Maximum [Member]                
Debt Instrument [Line Items]                
Tangible Asset Impairment Charges       $ 6,000        
Pinnacle Bank [Member] | Loan and Security Agreement [Member] | Maximum [Member] | Standard Interest Rate [Member]                
Debt Instrument [Line Items]                
Line of credit facility, interest rate percentage       3.75%        
Pinnacle Bank [Member] | Loan and Security Agreement [Member] | Maximum [Member] | Inventory Interest Rate [Member]                
Debt Instrument [Line Items]                
Line of credit facility, interest rate percentage       4.75%