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CONTRACTS IN PROGRESS (Tables)
 12 Months Ended
Dec. 31, 2020
CONTRACTS IN PROGRESS [Abstract]  
Contracts in Progress
Information with respect to contracts in progress are as follows:

  
December 31,
2020
  
December 31,
2019
 
       
Expenditures to date on uncompleted contracts
 
$
7,764,622
  
$
4,699,855
 
Estimated earnings thereon
  
2,178,868
   
1,409,060
 
   
9,943,490
   
6,108,915
 
Less billings to date
  
(10,867,354
)
  
(5,168,782
)
   
(923,864
)
  
940,133
 
Plus under billings remaining on contracts 100% complete
  
1,138,341
   
206,213
 
         
Total
 
$
214,477
  
$
1,146,346
 
 
Included in accompany balance sheets under the following captions:

  
December 31,
2020
  
December 31,
2019
 
       
Cost and estimated earnings in excess of billings
 
$
1,354,602
  
$
1,272,372
 
Billings in excess of costs and estimated earnings on uncompleted contracts
  
(1,140,125
)
  
(126,026
)
         
  
$
214,477
  
$
1,146,346