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SHAREHOLDERS’ EQUITY (Details Narrative) - USD ($)
 1 Months Ended
Dec. 31, 2017
Mar. 31, 2021
Dec. 31, 2020
Apr. 04, 2014
Dec. 31, 2007
Multiemployer Plan [Line Items]          
Common stock, shares authorized   20,000,000 20,000,000    
Common stock, par value   $ 0.01 $ 0.01    
Common stock, shares outstanding   10,094,322 10,094,322    
Treasury stock, common, shares   59,311 59,311    
Common stock, shares issued   10,153,633 10,153,633    
Stock repurchase program, authorized amount       $ 1,000,000 $ 5,000,000
Since Inception [Member]          
Multiemployer Plan [Line Items]          
Stock repurchased during period, shares 61,811        
Stock repurchased during period, value $ 932,000        
Approximate cost per share $ 15