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RETIREMENT PLAN (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Retirement Plan            
Contributions to 401k plan $ 11,817 $ 6,801 $ 32,974 $ 16,564 $ 24,587 $ 15,873