Annual report pursuant to Section 13 and 15(d)

ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

v3.24.1
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Product Information [Line Items]      
Net Income (Loss) Attributable to Parent $ 6,548,000 $ 5,584,000  
Net Cash Provided by (Used in) Operating Activities 3,430,000 6,507,000  
Cash and Cash Equivalents, at Carrying Value 549,000 211,000  
[custom:LineOfCreditBorrowingCapacity-0] 376,000    
[custom:WorkingCapital-0] 11,775,000    
Net sales 15,293,000 16,056,000  
Warranty reserve accrual 600,000 600,000 $ 600,000
FDIC insurance limit 250,000    
Inventory write down 450,000  
Research and development cost $ 1,222,000 $ 1,460,000  
Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Revenue from Rights Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 95.00% 96.00%  
Sales To International Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Revenue from Rights Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 21.00% 25.00%  
Largest Customer One [Member] | Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 50.00%    
Largest Customer One [Member] | Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Maximum [Member]      
Product Information [Line Items]      
Concentration risk   66.00%  
Largest Customer One [Member] | Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member] | Minimum [Member]      
Product Information [Line Items]      
Concentration risk   23.00%  
Largest Customer Two [Member] | Accounts Payable [Member] | Customer Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 10.00% 3.00%  
Largest Customer Two [Member] | Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Customer Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 18.00%    
Largest Receivable Accounts One [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 69.00%    
Largest Receivable Accounts Two [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 16.00%    
Largest Receivable Accounts [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk   90.00%  
Largest Vendors One [Member] | Accounts Payable [Member] | Supplier Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 30.00% 51.00%  
Largest Customer Three [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 5.00% 3.00%  
International Sales [Member]      
Product Information [Line Items]      
Net sales $ 3,215,000 $ 3,983,000  
AUSTRALIA      
Product Information [Line Items]      
Cash 7,000 8,000  
RON [Member]      
Product Information [Line Items]      
Cash $ 16,000 $ 23,000