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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Schedule of Prepaid expenses and other current assets consist) (Details) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Dec. 31, 2017
Prepaid Expense, Current [Abstract]      
Insurance $ 117,399 $ 226,363 $ 79,403
Other 92,120 37,210 20,992
Prototype Devices 34,166    
Rent 22,222 222,224 254,978
Prepaid material 2,422 46,120
Stock award 6,042 30,208
Deposits   199,338
Prepaid expenses and other current assets $ 268,329 $ 537,959 $ 584,919