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CONTRACTS IN PROGRESS
6 Months Ended
Jun. 30, 2021
CONTRACTS IN PROGRESS [Abstract]  
CONTRACTS IN PROGRESS
5.
CONTRACTS IN PROGRESS

Information with respect to contracts in progress are as follows:

 
June 30,
2021
   
December 31,
2020
 
Expenditures to date on uncompleted contracts
 
$
4,940,903
   
$
7,764,622
 
Estimated earnings thereon
   
983,100
     
2,178,868
 
   
5,924,003
     
9,943,490
 
Less billings to date
   
(4,622,245
)
   
(10,867,354
)
   
1,301,758
   
(923,864
)
Plus under billings remaining on contracts 100% complete
   
736,301
     
1,138,341
 
Total
 
$
2,038,059
   
$
214,477
 

Included in accompany balance sheets under the following captions:

 
June 30,
2021
   
December 31,
2020
 
Cost and estimated earnings in excess of billings
 
$
2,611,712
   
$
1,354,602
 
Billings in excess of costs and estimated earnings on uncompleted contracts
   
(573,653
)
   
(1,140,125
)
Total​
 
$
2,038,059
   
$
214,477