XML 27 R51.htm IDEA: XBRL DOCUMENT v3.19.3
Prepaid Expenses and Other Current Assets (Details Textual) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Due from a third party $ 200,000 $ 450,000