Quarterly report [Sections 13 or 15(d)]

ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

v3.25.2
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Product Information [Line Items]            
Net loss $ 271 $ (501) $ 1,536 $ 1,641    
Net cash used in operating activities     988 (190)    
Rental revenues    
Net sales 2,708 $ 4,660 4,431 $ 6,434    
Inventory write down 0   0      
Warranty reserve accrual $ 600   $ 600   $ 600 $ 600
Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Largest Customer [Member]            
Product Information [Line Items]            
Concentration risk 69.00%          
Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | One Largest Customer [Member]            
Product Information [Line Items]            
Concentration risk   40.00% 70.00% 42.00%    
Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Two Largest Customer [Member]            
Product Information [Line Items]            
Concentration risk   27.00% 7.00% 20.00%    
Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Three Largest Customer [Member]            
Product Information [Line Items]            
Concentration risk   22.00% 5.00% 16.00%    
Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | No Other Customers [Member]            
Product Information [Line Items]            
Concentration risk 10.00% 10.00% 10.00% 10.00%    
Accounts Receivable [Member] | Customer Concentration Risk [Member] | No Other Customers [Member]            
Product Information [Line Items]            
Concentration risk         10.00%  
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Largest Receivable Accounts One [Member]            
Product Information [Line Items]            
Concentration risk     85.00%      
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Largest Receivable Accounts [Member]            
Product Information [Line Items]            
Concentration risk         82.00%  
Accounts Payable [Member] | Customer Concentration Risk [Member] | Largest Vendors Two [Member]            
Product Information [Line Items]            
Concentration risk     10.00%   13.00%  
Accounts Payable [Member] | Customer Concentration Risk [Member] | Largest Vendors Three [Member]            
Product Information [Line Items]            
Concentration risk     6.00%   8.00%  
Accounts Payable [Member] | Supplier Concentration Risk [Member] | Largest Vendors One [Member]            
Product Information [Line Items]            
Concentration risk     12.00%   18.00%  
Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member]            
Product Information [Line Items]            
Concentration risk 92.00% 95.00% 88.00% 89.00%    
Sales To International Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member]            
Product Information [Line Items]            
Concentration risk 3.00% 25.00% 9.00% 20.00%    
International Sales [Member]            
Product Information [Line Items]            
Net sales $ 84 $ 1,170 $ 386 $ 1,269