XML 33 R42.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Property and Equipment (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Property and Equipment (Textual)    
Depreciation and amortization expense $ 2,199,737 $ 1,914,084