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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]    
Revenue Recognition, Sales Returns, Reserve for Sales Returns $ 1,000 $ 5,000
Allowance for sales returns, restocking fee, description 10% to 30% of the net sales price  
Accounts Receivable, Allowance for Credit Loss $ 7,000 7,000
Inventory Valuation Reserves 4,892,000 4,759,000
Provision for Other Losses 150,000 0
Reversal of Inventory Reserves 17,000 1,134,000
Marketing and Advertising Expense $ 4,000 $ 3,000
Minimum [Member]    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]    
Property, Plant and Equipment, Useful Life 5 years  
Maximum [Member]    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]    
Property, Plant and Equipment, Useful Life 7 years  
Asia [Member] | Cost of Goods and Service, Segment Benchmark [Member] | Geographic Concentration Risk [Member]    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]    
Concentration Risk, Percentage 90.00%  
Customer 1 [Member] | Sales [Member] | Credit Concentration Risk [Member]    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]    
Concentration Risk, Percentage 41.00% 45.00%
Customer 1 [Member] | Accounts Receivable [Member] | Credit Concentration Risk [Member]    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]    
Concentration Risk, Percentage 39.00% 50.00%
Customer 2 [Member] | Sales [Member] | Credit Concentration Risk [Member]    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]    
Concentration Risk, Percentage 18.00% 14.00%
Customer 2 [Member] | Accounts Receivable [Member] | Credit Concentration Risk [Member]    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]    
Concentration Risk, Percentage 37.00% 25.00%
Grand Shine Electronics and Zowie Technology [Member] | Cost of Goods and Service Benchmark [Member] | Supplier Concentration Risk [Member]    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]    
Concentration Risk, Percentage 45.70% 51.30%
Building and Building Improvements [Member]    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]    
Property, Plant and Equipment, Useful Life 31 years 6 months