Annual report pursuant to Section 13 and 15(d)

ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

v3.23.1
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Product Information [Line Items]      
Net Income (Loss) Attributable to Parent $ 5,584,000 $ 1,414,000  
Net Cash Provided by (Used in) Operating Activities 6,507,000 9,380,000  
Cash 211,000    
Line of credit 1,137,000    
Stockholders' equity 18,181,000 23,250,000 $ 11,491,000
Working capital 17,367    
Net sales 16,056,000 16,896,000  
Warranty reserve accrual 600,000 600,000 $ 600,000
Research and development cost $ 1,460,000 $ 1,986,000  
Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Revenue from Rights Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 96.00% 89.00%  
Largest Customer One [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 90.00% 74.00%  
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 66.00% 67.00%  
Largest Customer Two [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk   15.00%  
Largest Customer Two [Member] | Accounts Payable [Member] | Customer Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 3.00% 9.00%  
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 23.00%    
Largest Vendors One [Member] | Accounts Payable [Member] | Supplier Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 51.00% 16.00%  
Largest Customer Three [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 3.00% 9.00%  
International Sales [Member]      
Product Information [Line Items]      
Net sales $ 3,983,000 $ 1,279,000  
AUSTRALIA      
Product Information [Line Items]      
Cash 8,000 9,000  
RON [Member]      
Product Information [Line Items]      
Cash $ 23,000 $ 23,000  
Non-US [Member] | Sales to Telecommunications Customers [Member] | Revenue from Contract with Customer Benchmark [Member] | Revenue from Rights Concentration Risk [Member]      
Product Information [Line Items]      
Concentration risk 25.00% 8.00%