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COMMITMENTS AND CONTINGENCIES (Details Narrative) - USD ($)
 6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Loss Contingencies [Line Items]    
Employee benefit payment term description The payment benefits range from $1,000 per month to $3,000 per month with the term of such payments limited to 15 years after the employee’s retirement.  
Other compensation liabilities $ 491,000 $ 492,000
Other compensation liabilities, noncurrent 479,000 480,000
Other compensation liabilities, current 12,000 12,000
Cash surrender value of life insurance 1,441,000 1,417,000
Maximum aggregate claim amount 5,800,000  
Liabilities recorded $ 150,000 $ 215,000
Insurance Claims [Member]    
Loss Contingencies [Line Items]    
Potential liability per claim minimum range, description zero  
Minimum [Member]    
Loss Contingencies [Line Items]    
Payment benefit to employee's $ 1,000  
Loss contingencies, range of possible losses 200,000  
Deductibles per claim 25,000  
Maximum [Member]    
Loss Contingencies [Line Items]    
Payment benefit to employee's 3,000  
Loss contingencies, range of possible losses 500,000  
Deductibles per claim 1,000,000  
Maximum [Member] | Insurance Claims [Member]    
Loss Contingencies [Line Items]    
Potential liability per claim maximum range, value $ 1,000,000