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REVENUE RECOGNITION (Tables)
3 Months Ended
Mar. 31, 2019
Revenue from Contract with Customer [Abstract]  
Schedule of revenue by long-term contract type

Revenue by long-term contract type for the three months ended March 31, 2019 and 2018 is as follows:

 

   March 31,
   2019  2018
Government subcontracts  $16,675,292   $8,137,726 
Commercial contracts   6,653,157    7,476,095 
Prime government contracts   2,255,082    2,577,802 
   $25,583,531   $18,191,623