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Long-term Contracts (Tables)
12 Months Ended
Dec. 31, 2019
Long-term Contracts Tables  
Long-term Contracts (Tables)

The following table summarizes the costs incurred on our revenue contracts (in thousands):

      December 31,
      2019     2018
Costs and estimated earnings incurred on uncompleted contracts   $ 14,974    $ 12,087 
Billings on uncompleted contracts     (14,974)     (11,100)
    $   $ 987 
             
Included in consolidated balance sheets under the following captions:            
Costs and estimated earnings incurred on uncompleted contracts   $   $ 987 
Billings on uncompleted contracts in excess of related costs        
    $   $ 987